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insert 0 0 Q 
>> Inserting city Q (0,0)

debug 
>> 0,0,Q|

insert 1 1 W 
>> Inserting city W (1,1)

debug 
>> 0,0,Q1,1,W|

insert 2 2 E 
>> Inserting city E (2,2)

debug 
>> 0,0,Q1,1,W2,2,E|

insert 3 3 R 
>> Inserting city R (3,3)

debug 
>> IIIIIIIIIIIII0,0,Q1,1,W|EE2,2,E3,3,R|EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE

insert 4 4 T 
>> Inserting city T (4,4)

debug 
>> IIIIIIIIIIIII0,0,Q1,1,W|EE2,2,E3,3,R|EE4,4,T|EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE

insert 5 5 Y 
>> Inserting city Y (5,5)

debug 
>> IIIIIIIIIIIII0,0,Q1,1,W|EE2,2,E3,3,R|EE4,4,T5,5,Y|EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE

insert 6 6 U 
>> Inserting city U (6,6)

debug 
>> IIIIIIIIIIIII0,0,Q1,1,W|EE2,2,E3,3,R|EE4,4,T5,5,Y6,6,U|EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE

insert 7 7 I 
>> Inserting city I (7,7)

debug 
>> IIIIIIIIIIIII0,0,Q1,1,W|EE2,2,E3,3,R|EEI4,4,T5,5,Y|EE6,6,U7,7,I|EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE

insert 8 8 O 
>> Inserting city O (8,8)

debug 
>> IIIIIIIIIIIII0,0,Q1,1,W|EE2,2,E3,3,R|EEI4,4,T5,5,Y|EE6,6,U7,7,I|EE8,8,O|EEEEEEEEEEEEEEEEEEEEEEEEEEEEEE

insert 9 9 P 
>> Inserting city P (9,9)

debug 
>> IIIIIIIIIIIII0,0,Q1,1,W|EE2,2,E3,3,R|EEI4,4,T5,5,Y|EE6,6,U7,7,I|EE8,8,O9,9,P|EEEEEEEEEEEEEEEEEEEEEEEEEEEEEE

insert 10 10 A 
>> Inserting city A (10,10)

debug 
>> IIIIIIIIIIIII0,0,Q1,1,W|EE2,2,E3,3,R|EEI4,4,T5,5,Y|EE6,6,U7,7,I|EE8,8,O9,9,P10,10,A|EEEEEEEEEEEEEEEEEEEEEEEEEEEEEE

insert 11 11 S 
>> Inserting city S (11,11)

debug 
>> IIIIIIIIIIIII0,0,Q1,1,W|EE2,2,E3,3,R|EEI4,4,T5,5,Y|EE6,6,U7,7,I|EEII8,8,O9,9,P|EE10,10,A11,11,S|EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE

insert 12 12 D 
>> Inserting city D (12,12)

debug 
>> IIIIIIIIIIIII0,0,Q1,1,W|EE2,2,E3,3,R|EEI4,4,T5,5,Y|EE6,6,U7,7,I|EEII8,8,O9,9,P|EE10,10,A11,11,S|EE12,12,D|EEEEEEEEEEEEEEEEEEEEEEEEEEEEEE

insert 13 13 F 
>> Inserting city F (13,13)

debug 
>> IIIIIIIIIIIII0,0,Q1,1,W|EE2,2,E3,3,R|EEI4,4,T5,5,Y|EE6,6,U7,7,I|EEII8,8,O9,9,P|EE10,10,A11,11,S|EE12,12,D13,13,F|EEEEEEEEEEEEEEEEEEEEEEEEEEEEEE

insert 14 14 G 
>> Inserting city G (14,14)

debug 
>> IIIIIIIIIIIII0,0,Q1,1,W|EE2,2,E3,3,R|EEI4,4,T5,5,Y|EE6,6,U7,7,I|EEII8,8,O9,9,P|EE10,10,A11,11,S|EE12,12,D13,13,F14,14,G|EEEEEEEEEEEEEEEEEEEEEEEEEEEEEE

insert 15 15 H 
>> Inserting city H (15,15)

debug 
>> IIIIIIIIIIIII0,0,Q1,1,W|EE2,2,E3,3,R|EEI4,4,T5,5,Y|EE6,6,U7,7,I|EEII8,8,O9,9,P|EE10,10,A11,11,S|EEI12,12,D13,13,F|EE14,14,G15,15,H|EEEEEEEEEEEEEEEEEEEEEEEEEEEEEE

insert 16 16 J 
>> Inserting city J (16,16)

debug 
>> IIIIIIIIIIIII0,0,Q1,1,W|EE2,2,E3,3,R|EEI4,4,T5,5,Y|EE6,6,U7,7,I|EEII8,8,O9,9,P|EE10,10,A11,11,S|EEI12,12,D13,13,F|EE14,14,G15,15,H|EE16,16,J|EEEEEEEEEEEEEEEEEEEEEEEEEEE

insert 17 17 K 
>> Inserting city K (17,17)

debug 
>> IIIIIIIIIIIII0,0,Q1,1,W|EE2,2,E3,3,R|EEI4,4,T5,5,Y|EE6,6,U7,7,I|EEII8,8,O9,9,P|EE10,10,A11,11,S|EEI12,12,D13,13,F|EE14,14,G15,15,H|EE16,16,J17,17,K|EEEEEEEEEEEEEEEEEEEEEEEEEEE

insert 18 18 L 
>> Inserting city L (18,18)

debug 
>> IIIIIIIIIIIII0,0,Q1,1,W|EE2,2,E3,3,R|EEI4,4,T5,5,Y|EE6,6,U7,7,I|EEII8,8,O9,9,P|EE10,10,A11,11,S|EEI12,12,D13,13,F|EE14,14,G15,15,H|EE16,16,J17,17,K18,18,L|EEEEEEEEEEEEEEEEEEEEEEEEEEE

insert 19 19 Z 
>> Inserting city Z (19,19)

debug 
>> IIIIIIIIIIIII0,0,Q1,1,W|EE2,2,E3,3,R|EEI4,4,T5,5,Y|EE6,6,U7,7,I|EEII8,8,O9,9,P|EE10,10,A11,11,S|EEI12,12,D13,13,F|EE14,14,G15,15,H|EEIII16,16,J17,17,K|EE18,18,L19,19,Z|EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE

insert 20 20 X 
>> Inserting city X (20,20)

debug 
>> IIIIIIIIIIIII0,0,Q1,1,W|EE2,2,E3,3,R|EEI4,4,T5,5,Y|EE6,6,U7,7,I|EEII8,8,O9,9,P|EE10,10,A11,11,S|EEI12,12,D13,13,F|EE14,14,G15,15,H|EEIII16,16,J17,17,K|EE18,18,L19,19,Z|EE20,20,X|EEEEEEEEEEEEEEEEEEEEEEEEEEEEEE

insert 21 21 C 
>> Inserting city C (21,21)

debug 
>> IIIIIIIIIIIII0,0,Q1,1,W|EE2,2,E3,3,R|EEI4,4,T5,5,Y|EE6,6,U7,7,I|EEII8,8,O9,9,P|EE10,10,A11,11,S|EEI12,12,D13,13,F|EE14,14,G15,15,H|EEIII16,16,J17,17,K|EE18,18,L19,19,Z|EE20,20,X21,21,C|EEEEEEEEEEEEEEEEEEEEEEEEEEEEEE

insert 22 22 V 
>> Inserting city V (22,22)

debug 
>> IIIIIIIIIIIII0,0,Q1,1,W|EE2,2,E3,3,R|EEI4,4,T5,5,Y|EE6,6,U7,7,I|EEII8,8,O9,9,P|EE10,10,A11,11,S|EEI12,12,D13,13,F|EE14,14,G15,15,H|EEIII16,16,J17,17,K|EE18,18,L19,19,Z|EE20,20,X21,21,C22,22,V|EEEEEEEEEEEEEEEEEEEEEEEEEEEEEE

insert 23 23 B 
>> Inserting city B (23,23)

debug 
>> IIIIIIIIIIIII0,0,Q1,1,W|EE2,2,E3,3,R|EEI4,4,T5,5,Y|EE6,6,U7,7,I|EEII8,8,O9,9,P|EE10,10,A11,11,S|EEI12,12,D13,13,F|EE14,14,G15,15,H|EEIII16,16,J17,17,K|EE18,18,L19,19,Z|EEI20,20,X21,21,C|EE22,22,V23,23,B|EEEEEEEEEEEEEEEEEEEEEEEEEEEEEE

insert 24 24 N 
>> Inserting city N (24,24)

debug 
>> IIIIIIIIIIIII0,0,Q1,1,W|EE2,2,E3,3,R|EEI4,4,T5,5,Y|EE6,6,U7,7,I|EEII8,8,O9,9,P|EE10,10,A11,11,S|EEI12,12,D13,13,F|EE14,14,G15,15,H|EEIII16,16,J17,17,K|EE18,18,L19,19,Z|EEI20,20,X21,21,C|EE22,22,V23,23,B|EE24,24,N|EEEEEEEEEEEEEEEEEEEEEEEEEEE

insert 25 25 M 
>> Inserting city M (25,25)

debug 
>> IIIIIIIIIIIII0,0,Q1,1,W|EE2,2,E3,3,R|EEI4,4,T5,5,Y|EE6,6,U7,7,I|EEII8,8,O9,9,P|EE10,10,A11,11,S|EEI12,12,D13,13,F|EE14,14,G15,15,H|EEIII16,16,J17,17,K|EE18,18,L19,19,Z|EEI20,20,X21,21,C|EE22,22,V23,23,B|EE24,24,N25,25,M|EEEEEEEEEEEEEEEEEEEEEEEEEEE

find A 
>> City found: A (10,10)

find B 
>> City found: B (23,23)

find C 
>> City found: C (21,21)

find D 
>> City found: D (12,12)

find E 
>> City found: E (2,2)

find F 
>> City found: F (13,13)

find G 
>> City found: G (14,14)

find H 
>> City found: H (15,15)

find I 
>> City found: I (7,7)

find J 
>> City found: J (16,16)

find K 
>> City found: K (17,17)

find L 
>> City found: L (18,18)

find M 
>> City found: M (25,25)

find N 
>> City found: N (24,24)

find O 
>> City found: O (8,8)

find P 
>> City found: P (9,9)

find Q 
>> City found: Q (0,0)

find R 
>> City found: R (3,3)

find S 
>> City found: S (11,11)

find T 
>> City found: T (4,4)

find U 
>> City found: U (6,6)

find V 
>> City found: V (22,22)

find W 
>> City found: W (1,1)

find X 
>> City found: X (20,20)

find Y 
>> City found: Y (5,5)

find Z 
>> City found: Z (19,19)

search 25 25 0 
>> 12 nodes visited:
>> M (25,25)

search 24 24 0 
>> 12 nodes visited:
>> N (24,24)

search 23 23 0 
>> 14 nodes visited:
>> B (23,23)

search 22 22 0 
>> 14 nodes visited:
>> V (22,22)

search 21 21 0 
>> 14 nodes visited:
>> C (21,21)

search 20 20 0 
>> 14 nodes visited:
>> X (20,20)

search 19 19 0 
>> 14 nodes visited:
>> Z (19,19)

search 18 18 0 
>> 14 nodes visited:
>> L (18,18)

search 17 17 0 
>> 14 nodes visited:
>> K (17,17)

search 16 16 0 
>> 14 nodes visited:
>> J (16,16)

search 15 15 0 
>> 14 nodes visited:
>> H (15,15)

search 14 14 0 
>> 14 nodes visited:
>> G (14,14)

search 13 13 0 
>> 14 nodes visited:
>> F (13,13)

search 12 12 0 
>> 14 nodes visited:
>> D (12,12)

search 11 11 0 
>> 14 nodes visited:
>> S (11,11)

search 10 10 0 
>> 14 nodes visited:
>> A (10,10)

search 10 10 1 
>> 17 nodes visited:
>> A (10,10)

search 10 10 2 
>> 20 nodes visited:
>> P (9,9)
>> A (10,10)
>> S (11,11)

search 10 10 3 
>> 23 nodes visited:
>> O (8,8)
>> P (9,9)
>> A (10,10)
>> S (11,11)
>> D (12,12)

search 9 9 0 
>> 14 nodes visited:
>> P (9,9)

search 8 8 0 
>> 14 nodes visited:
>> O (8,8)

search 7 7 0 
>> 14 nodes visited:
>> I (7,7)

search 6 6 0 
>> 14 nodes visited:
>> U (6,6)

search 5 5 0 
>> 14 nodes visited:
>> Y (5,5)

search 4 4 0 
>> 14 nodes visited:
>> T (4,4)

search 3 3 0 
>> 14 nodes visited:
>> R (3,3)

search 2 2 0 
>> 14 nodes visited:
>> E (2,2)

search 1 1 0 
>> 14 nodes visited:
>> W (1,1)

search 0 0 0 
>> 14 nodes visited:
>> Q (0,0)

remove 0 0 
>> Removing city Q (0,0)

debug 
>> IIIIIIIIIIII1,1,W2,2,E3,3,R|EEI4,4,T5,5,Y|EE6,6,U7,7,I|EEII8,8,O9,9,P|EE10,10,A11,11,S|EEI12,12,D13,13,F|EE14,14,G15,15,H|EEIII16,16,J17,17,K|EE18,18,L19,19,Z|EEI20,20,X21,21,C|EE22,22,V23,23,B|EE24,24,N25,25,M|EEEEEEEEEEEEEEEEEEEEEEEEEEE

remove 1 1 
>> Removing city W (1,1)

debug 
>> IIIIIIIIIIII2,2,E3,3,R|EEI4,4,T5,5,Y|EE6,6,U7,7,I|EEII8,8,O9,9,P|EE10,10,A11,11,S|EEI12,12,D13,13,F|EE14,14,G15,15,H|EEIII16,16,J17,17,K|EE18,18,L19,19,Z|EEI20,20,X21,21,C|EE22,22,V23,23,B|EE24,24,N25,25,M|EEEEEEEEEEEEEEEEEEEEEEEEEEE

remove 2 2 
>> Removing city E (2,2)

debug 
>> IIIIIIIIIIII3,3,R|EEI4,4,T5,5,Y|EE6,6,U7,7,I|EEII8,8,O9,9,P|EE10,10,A11,11,S|EEI12,12,D13,13,F|EE14,14,G15,15,H|EEIII16,16,J17,17,K|EE18,18,L19,19,Z|EEI20,20,X21,21,C|EE22,22,V23,23,B|EE24,24,N25,25,M|EEEEEEEEEEEEEEEEEEEEEEEEEEE

remove 3 3 
>> Removing city R (3,3)

debug 
>> IIIIIIIIIIIIEEEI4,4,T5,5,Y|EE6,6,U7,7,I|EEII8,8,O9,9,P|EE10,10,A11,11,S|EEI12,12,D13,13,F|EE14,14,G15,15,H|EEIII16,16,J17,17,K|EE18,18,L19,19,Z|EEI20,20,X21,21,C|EE22,22,V23,23,B|EE24,24,N25,25,M|EEEEEEEEEEEEEEEEEEEEEEEEEEE

remove 4 4 
>> Removing city T (4,4)

debug 
>> IIIIIIIIIII5,5,Y6,6,U7,7,I|EEII8,8,O9,9,P|EE10,10,A11,11,S|EEI12,12,D13,13,F|EE14,14,G15,15,H|EEIII16,16,J17,17,K|EE18,18,L19,19,Z|EEI20,20,X21,21,C|EE22,22,V23,23,B|EE24,24,N25,25,M|EEEEEEEEEEEEEEEEEEEEEEEEEEE

remove 5 5 
>> Removing city Y (5,5)

debug 
>> IIIIIIIIIII6,6,U7,7,I|EEII8,8,O9,9,P|EE10,10,A11,11,S|EEI12,12,D13,13,F|EE14,14,G15,15,H|EEIII16,16,J17,17,K|EE18,18,L19,19,Z|EEI20,20,X21,21,C|EE22,22,V23,23,B|EE24,24,N25,25,M|EEEEEEEEEEEEEEEEEEEEEEEEEEE

remove 6 6 
>> Removing city U (6,6)

debug 
>> IIIIIIIIIII7,7,I|EEII8,8,O9,9,P|EE10,10,A11,11,S|EEI12,12,D13,13,F|EE14,14,G15,15,H|EEIII16,16,J17,17,K|EE18,18,L19,19,Z|EEI20,20,X21,21,C|EE22,22,V23,23,B|EE24,24,N25,25,M|EEEEEEEEEEEEEEEEEEEEEEEEEEE

remove 7 7 
>> Removing city I (7,7)

debug 
>> IIIIIIIIIIIEEEII8,8,O9,9,P|EE10,10,A11,11,S|EEI12,12,D13,13,F|EE14,14,G15,15,H|EEIII16,16,J17,17,K|EE18,18,L19,19,Z|EEI20,20,X21,21,C|EE22,22,V23,23,B|EE24,24,N25,25,M|EEEEEEEEEEEEEEEEEEEEEEEEEEE

remove 8 8 
>> Removing city O (8,8)

debug 
>> IIIIIIIIIIIEEEI9,9,P10,10,A11,11,S|EEI12,12,D13,13,F|EE14,14,G15,15,H|EEIII16,16,J17,17,K|EE18,18,L19,19,Z|EEI20,20,X21,21,C|EE22,22,V23,23,B|EE24,24,N25,25,M|EEEEEEEEEEEEEEEEEEEEEEEEEEE

remove 9 9 
>> Removing city P (9,9)

debug 
>> IIIIIIIIIIIEEEI10,10,A11,11,S|EEI12,12,D13,13,F|EE14,14,G15,15,H|EEIII16,16,J17,17,K|EE18,18,L19,19,Z|EEI20,20,X21,21,C|EE22,22,V23,23,B|EE24,24,N25,25,M|EEEEEEEEEEEEEEEEEEEEEEEEEEE

remove 10 10 
>> Removing city A (10,10)

debug 
>> IIIIIIIIIIIEEEI11,11,S|EEI12,12,D13,13,F|EE14,14,G15,15,H|EEIII16,16,J17,17,K|EE18,18,L19,19,Z|EEI20,20,X21,21,C|EE22,22,V23,23,B|EE24,24,N25,25,M|EEEEEEEEEEEEEEEEEEEEEEEEEEE

remove 11 11 
>> Removing city S (11,11)

debug 
>> IIIIIIIIIIIEEEIEEEI12,12,D13,13,F|EE14,14,G15,15,H|EEIII16,16,J17,17,K|EE18,18,L19,19,Z|EEI20,20,X21,21,C|EE22,22,V23,23,B|EE24,24,N25,25,M|EEEEEEEEEEEEEEEEEEEEEEEEEEE

remove 12 12 
>> Removing city D (12,12)

debug 
>> IIIIIIIIII13,13,F14,14,G15,15,H|EEIII16,16,J17,17,K|EE18,18,L19,19,Z|EEI20,20,X21,21,C|EE22,22,V23,23,B|EE24,24,N25,25,M|EEEEEEEEEEEEEEEEEEEEEEEEEEE

remove 13 13 
>> Removing city F (13,13)

debug 
>> IIIIIIIIII14,14,G15,15,H|EEIII16,16,J17,17,K|EE18,18,L19,19,Z|EEI20,20,X21,21,C|EE22,22,V23,23,B|EE24,24,N25,25,M|EEEEEEEEEEEEEEEEEEEEEEEEEEE

remove 14 14 
>> Removing city G (14,14)

debug 
>> IIIIIIIIII15,15,H|EEIII16,16,J17,17,K|EE18,18,L19,19,Z|EEI20,20,X21,21,C|EE22,22,V23,23,B|EE24,24,N25,25,M|EEEEEEEEEEEEEEEEEEEEEEEEEEE

remove 15 15 
>> Removing city H (15,15)

debug 
>> IIIIIIIIIIEEEIII16,16,J17,17,K|EE18,18,L19,19,Z|EEI20,20,X21,21,C|EE22,22,V23,23,B|EE24,24,N25,25,M|EEEEEEEEEEEEEEEEEEEEEEEEEEE

remove 16 16 
>> Removing city J (16,16)

debug 
>> IIIIIIIIIIEEEII17,17,K18,18,L19,19,Z|EEI20,20,X21,21,C|EE22,22,V23,23,B|EE24,24,N25,25,M|EEEEEEEEEEEEEEEEEEEEEEEEEEE

remove 17 17 
>> Removing city K (17,17)

debug 
>> IIIIIIIIIIEEEII18,18,L19,19,Z|EEI20,20,X21,21,C|EE22,22,V23,23,B|EE24,24,N25,25,M|EEEEEEEEEEEEEEEEEEEEEEEEEEE

remove 18 18 
>> Removing city L (18,18)

debug 
>> IIIIIIIIIIEEEII19,19,Z|EEI20,20,X21,21,C|EE22,22,V23,23,B|EE24,24,N25,25,M|EEEEEEEEEEEEEEEEEEEEEEEEEEE

remove 19 19 
>> Removing city Z (19,19)

debug 
>> IIIIIIIIIIEEEIIEEEI20,20,X21,21,C|EE22,22,V23,23,B|EE24,24,N25,25,M|EEEEEEEEEEEEEEEEEEEEEEEEEEE

remove 20 20 
>> Removing city X (20,20)

debug 
>> IIIIIIIIIIEEEI21,21,C22,22,V23,23,B|EE24,24,N25,25,M|EEEEEEEEEEEEEEEEEEEEEEEEEEE

remove 21 21 
>> Removing city C (21,21)

debug 
>> IIIIIIIIIIEEEI22,22,V23,23,B|EE24,24,N25,25,M|EEEEEEEEEEEEEEEEEEEEEEEEEEE

remove 22 22 
>> Removing city V (22,22)

debug 
>> 23,23,B24,24,N25,25,M|

remove 23 23 
>> Removing city B (23,23)

debug 
>> 24,24,N25,25,M|

remove 24 24 
>> Removing city N (24,24)

debug 
>> 25,25,M|

remove 25 25 
>> Removing city M (25,25)

debug 
>> E

insert 0 0 Q 
>> Inserting city Q (0,0)

debug 
>> 0,0,Q|

insert 1 1 W 
>> Inserting city W (1,1)

debug 
>> 0,0,Q1,1,W|

insert 2 2 E 
>> Inserting city E (2,2)

debug 
>> 0,0,Q1,1,W2,2,E|

insert 3 3 R 
>> Inserting city R (3,3)

debug 
>> IIIIIIIIIIIII0,0,Q1,1,W|EE2,2,E3,3,R|EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE

insert 4 4 T 
>> Inserting city T (4,4)

debug 
>> IIIIIIIIIIIII0,0,Q1,1,W|EE2,2,E3,3,R|EE4,4,T|EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE

insert 5 5 Y 
>> Inserting city Y (5,5)

debug 
>> IIIIIIIIIIIII0,0,Q1,1,W|EE2,2,E3,3,R|EE4,4,T5,5,Y|EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE

insert 6 6 U 
>> Inserting city U (6,6)

debug 
>> IIIIIIIIIIIII0,0,Q1,1,W|EE2,2,E3,3,R|EE4,4,T5,5,Y6,6,U|EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE

insert 7 7 I 
>> Inserting city I (7,7)

debug 
>> IIIIIIIIIIIII0,0,Q1,1,W|EE2,2,E3,3,R|EEI4,4,T5,5,Y|EE6,6,U7,7,I|EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE

insert 8 8 O 
>> Inserting city O (8,8)

debug 
>> IIIIIIIIIIIII0,0,Q1,1,W|EE2,2,E3,3,R|EEI4,4,T5,5,Y|EE6,6,U7,7,I|EE8,8,O|EEEEEEEEEEEEEEEEEEEEEEEEEEEEEE

insert 9 9 P 
>> Inserting city P (9,9)

debug 
>> IIIIIIIIIIIII0,0,Q1,1,W|EE2,2,E3,3,R|EEI4,4,T5,5,Y|EE6,6,U7,7,I|EE8,8,O9,9,P|EEEEEEEEEEEEEEEEEEEEEEEEEEEEEE

insert 10 10 A 
>> Inserting city A (10,10)

debug 
>> IIIIIIIIIIIII0,0,Q1,1,W|EE2,2,E3,3,R|EEI4,4,T5,5,Y|EE6,6,U7,7,I|EE8,8,O9,9,P10,10,A|EEEEEEEEEEEEEEEEEEEEEEEEEEEEEE

insert 11 11 S 
>> Inserting city S (11,11)

debug 
>> IIIIIIIIIIIII0,0,Q1,1,W|EE2,2,E3,3,R|EEI4,4,T5,5,Y|EE6,6,U7,7,I|EEII8,8,O9,9,P|EE10,10,A11,11,S|EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE

insert 12 12 D 
>> Inserting city D (12,12)

debug 
>> IIIIIIIIIIIII0,0,Q1,1,W|EE2,2,E3,3,R|EEI4,4,T5,5,Y|EE6,6,U7,7,I|EEII8,8,O9,9,P|EE10,10,A11,11,S|EE12,12,D|EEEEEEEEEEEEEEEEEEEEEEEEEEEEEE

insert 13 13 F 
>> Inserting city F (13,13)

debug 
>> IIIIIIIIIIIII0,0,Q1,1,W|EE2,2,E3,3,R|EEI4,4,T5,5,Y|EE6,6,U7,7,I|EEII8,8,O9,9,P|EE10,10,A11,11,S|EE12,12,D13,13,F|EEEEEEEEEEEEEEEEEEEEEEEEEEEEEE

insert 14 14 G 
>> Inserting city G (14,14)

debug 
>> IIIIIIIIIIIII0,0,Q1,1,W|EE2,2,E3,3,R|EEI4,4,T5,5,Y|EE6,6,U7,7,I|EEII8,8,O9,9,P|EE10,10,A11,11,S|EE12,12,D13,13,F14,14,G|EEEEEEEEEEEEEEEEEEEEEEEEEEEEEE

insert 15 15 H 
>> Inserting city H (15,15)

debug 
>> IIIIIIIIIIIII0,0,Q1,1,W|EE2,2,E3,3,R|EEI4,4,T5,5,Y|EE6,6,U7,7,I|EEII8,8,O9,9,P|EE10,10,A11,11,S|EEI12,12,D13,13,F|EE14,14,G15,15,H|EEEEEEEEEEEEEEEEEEEEEEEEEEEEEE

insert 16 16 J 
>> Inserting city J (16,16)

debug 
>> IIIIIIIIIIIII0,0,Q1,1,W|EE2,2,E3,3,R|EEI4,4,T5,5,Y|EE6,6,U7,7,I|EEII8,8,O9,9,P|EE10,10,A11,11,S|EEI12,12,D13,13,F|EE14,14,G15,15,H|EE16,16,J|EEEEEEEEEEEEEEEEEEEEEEEEEEE

insert 17 17 K 
>> Inserting city K (17,17)

debug 
>> IIIIIIIIIIIII0,0,Q1,1,W|EE2,2,E3,3,R|EEI4,4,T5,5,Y|EE6,6,U7,7,I|EEII8,8,O9,9,P|EE10,10,A11,11,S|EEI12,12,D13,13,F|EE14,14,G15,15,H|EE16,16,J17,17,K|EEEEEEEEEEEEEEEEEEEEEEEEEEE

insert 18 18 L 
>> Inserting city L (18,18)

debug 
>> IIIIIIIIIIIII0,0,Q1,1,W|EE2,2,E3,3,R|EEI4,4,T5,5,Y|EE6,6,U7,7,I|EEII8,8,O9,9,P|EE10,10,A11,11,S|EEI12,12,D13,13,F|EE14,14,G15,15,H|EE16,16,J17,17,K18,18,L|EEEEEEEEEEEEEEEEEEEEEEEEEEE

insert 19 19 Z 
>> Inserting city Z (19,19)

debug 
>> IIIIIIIIIIIII0,0,Q1,1,W|EE2,2,E3,3,R|EEI4,4,T5,5,Y|EE6,6,U7,7,I|EEII8,8,O9,9,P|EE10,10,A11,11,S|EEI12,12,D13,13,F|EE14,14,G15,15,H|EEIII16,16,J17,17,K|EE18,18,L19,19,Z|EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE

insert 20 20 X 
>> Inserting city X (20,20)

debug 
>> IIIIIIIIIIIII0,0,Q1,1,W|EE2,2,E3,3,R|EEI4,4,T5,5,Y|EE6,6,U7,7,I|EEII8,8,O9,9,P|EE10,10,A11,11,S|EEI12,12,D13,13,F|EE14,14,G15,15,H|EEIII16,16,J17,17,K|EE18,18,L19,19,Z|EE20,20,X|EEEEEEEEEEEEEEEEEEEEEEEEEEEEEE

insert 21 21 C 
>> Inserting city C (21,21)

debug 
>> IIIIIIIIIIIII0,0,Q1,1,W|EE2,2,E3,3,R|EEI4,4,T5,5,Y|EE6,6,U7,7,I|EEII8,8,O9,9,P|EE10,10,A11,11,S|EEI12,12,D13,13,F|EE14,14,G15,15,H|EEIII16,16,J17,17,K|EE18,18,L19,19,Z|EE20,20,X21,21,C|EEEEEEEEEEEEEEEEEEEEEEEEEEEEEE

insert 22 22 V 
>> Inserting city V (22,22)

debug 
>> IIIIIIIIIIIII0,0,Q1,1,W|EE2,2,E3,3,R|EEI4,4,T5,5,Y|EE6,6,U7,7,I|EEII8,8,O9,9,P|EE10,10,A11,11,S|EEI12,12,D13,13,F|EE14,14,G15,15,H|EEIII16,16,J17,17,K|EE18,18,L19,19,Z|EE20,20,X21,21,C22,22,V|EEEEEEEEEEEEEEEEEEEEEEEEEEEEEE

insert 23 23 B 
>> Inserting city B (23,23)

debug 
>> IIIIIIIIIIIII0,0,Q1,1,W|EE2,2,E3,3,R|EEI4,4,T5,5,Y|EE6,6,U7,7,I|EEII8,8,O9,9,P|EE10,10,A11,11,S|EEI12,12,D13,13,F|EE14,14,G15,15,H|EEIII16,16,J17,17,K|EE18,18,L19,19,Z|EEI20,20,X21,21,C|EE22,22,V23,23,B|EEEEEEEEEEEEEEEEEEEEEEEEEEEEEE

insert 24 24 N 
>> Inserting city N (24,24)

debug 
>> IIIIIIIIIIIII0,0,Q1,1,W|EE2,2,E3,3,R|EEI4,4,T5,5,Y|EE6,6,U7,7,I|EEII8,8,O9,9,P|EE10,10,A11,11,S|EEI12,12,D13,13,F|EE14,14,G15,15,H|EEIII16,16,J17,17,K|EE18,18,L19,19,Z|EEI20,20,X21,21,C|EE22,22,V23,23,B|EE24,24,N|EEEEEEEEEEEEEEEEEEEEEEEEEEE

insert 25 25 M 
>> Inserting city M (25,25)

debug 
>> IIIIIIIIIIIII0,0,Q1,1,W|EE2,2,E3,3,R|EEI4,4,T5,5,Y|EE6,6,U7,7,I|EEII8,8,O9,9,P|EE10,10,A11,11,S|EEI12,12,D13,13,F|EE14,14,G15,15,H|EEIII16,16,J17,17,K|EE18,18,L19,19,Z|EEI20,20,X21,21,C|EE22,22,V23,23,B|EE24,24,N25,25,M|EEEEEEEEEEEEEEEEEEEEEEEEEEE

remove Z 
>> Removing city Z (19,19)

debug 
>> IIIIIIIIIIIII0,0,Q1,1,W|EE2,2,E3,3,R|EEI4,4,T5,5,Y|EE6,6,U7,7,I|EEII8,8,O9,9,P|EE10,10,A11,11,S|EEI12,12,D13,13,F|EE14,14,G15,15,H|EEII16,16,J17,17,K18,18,L|EEI20,20,X21,21,C|EE22,22,V23,23,B|EE24,24,N25,25,M|EEEEEEEEEEEEEEEEEEEEEEEEEEE

remove A 
>> Removing city A (10,10)

debug 
>> IIIIIIIIIIIII0,0,Q1,1,W|EE2,2,E3,3,R|EEI4,4,T5,5,Y|EE6,6,U7,7,I|EEI8,8,O9,9,P11,11,S|EEI12,12,D13,13,F|EE14,14,G15,15,H|EEII16,16,J17,17,K18,18,L|EEI20,20,X21,21,C|EE22,22,V23,23,B|EE24,24,N25,25,M|EEEEEEEEEEEEEEEEEEEEEEEEEEE

remove Q 
>> Removing city Q (0,0)

debug 
>> IIIIIIIIIIII1,1,W2,2,E3,3,R|EEI4,4,T5,5,Y|EE6,6,U7,7,I|EEI8,8,O9,9,P11,11,S|EEI12,12,D13,13,F|EE14,14,G15,15,H|EEII16,16,J17,17,K18,18,L|EEI20,20,X21,21,C|EE22,22,V23,23,B|EE24,24,N25,25,M|EEEEEEEEEEEEEEEEEEEEEEEEEEE

remove X 
>> Removing city X (20,20)

debug 
>> IIIIIIIIIIII1,1,W2,2,E3,3,R|EEI4,4,T5,5,Y|EE6,6,U7,7,I|EEI8,8,O9,9,P11,11,S|EEI12,12,D13,13,F|EE14,14,G15,15,H|EEII16,16,J17,17,K18,18,L|EE21,21,C22,22,V23,23,B|EE24,24,N25,25,M|EEEEEEEEEEEEEEEEEEEEEEEEEEE

remove S 
>> Removing city S (11,11)

debug 
>> IIIIIIIIIIII1,1,W2,2,E3,3,R|EEI4,4,T5,5,Y|EE6,6,U7,7,I|EEI8,8,O9,9,P|EEI12,12,D13,13,F|EE14,14,G15,15,H|EEII16,16,J17,17,K18,18,L|EE21,21,C22,22,V23,23,B|EE24,24,N25,25,M|EEEEEEEEEEEEEEEEEEEEEEEEEEE

remove W 
>> Removing city W (1,1)

debug 
>> IIIIIIIIIIII2,2,E3,3,R|EEI4,4,T5,5,Y|EE6,6,U7,7,I|EEI8,8,O9,9,P|EEI12,12,D13,13,F|EE14,14,G15,15,H|EEII16,16,J17,17,K18,18,L|EE21,21,C22,22,V23,23,B|EE24,24,N25,25,M|EEEEEEEEEEEEEEEEEEEEEEEEEEE

remove C 
>> Removing city C (21,21)

debug 
>> IIIIIIIIIIII2,2,E3,3,R|EEI4,4,T5,5,Y|EE6,6,U7,7,I|EEI8,8,O9,9,P|EEI12,12,D13,13,F|EE14,14,G15,15,H|EEII16,16,J17,17,K18,18,L|EE22,22,V23,23,B|EE24,24,N25,25,M|EEEEEEEEEEEEEEEEEEEEEEEEEEE

remove D 
>> Removing city D (12,12)

debug 
>> IIIIIIIIIIII2,2,E3,3,R|EEI4,4,T5,5,Y|EE6,6,U7,7,I|EEI8,8,O9,9,P|EE13,13,F14,14,G15,15,H|EEII16,16,J17,17,K18,18,L|EE22,22,V23,23,B|EE24,24,N25,25,M|EEEEEEEEEEEEEEEEEEEEEEEEEEE

remove E 
>> Removing city E (2,2)

debug 
>> IIIIIIIIIIII3,3,R|EEI4,4,T5,5,Y|EE6,6,U7,7,I|EEI8,8,O9,9,P|EE13,13,F14,14,G15,15,H|EEII16,16,J17,17,K18,18,L|EE22,22,V23,23,B|EE24,24,N25,25,M|EEEEEEEEEEEEEEEEEEEEEEEEEEE

remove V 
>> Removing city V (22,22)

debug 
>> IIIIIIIIIIII3,3,R|EEI4,4,T5,5,Y|EE6,6,U7,7,I|EEI8,8,O9,9,P|EE13,13,F14,14,G15,15,H|EEII16,16,J17,17,K18,18,L|EE23,23,B|EE24,24,N25,25,M|EEEEEEEEEEEEEEEEEEEEEEEEEEE

remove F 
>> Removing city F (13,13)

debug 
>> IIIIIIIIIIII3,3,R|EEI4,4,T5,5,Y|EE6,6,U7,7,I|EEI8,8,O9,9,P|EE14,14,G15,15,H|EEII16,16,J17,17,K18,18,L|EE23,23,B|EE24,24,N25,25,M|EEEEEEEEEEEEEEEEEEEEEEEEEEE

remove R 
>> Removing city R (3,3)

debug 
>> IIIIIIIIIIIIEEEI4,4,T5,5,Y|EE6,6,U7,7,I|EEI8,8,O9,9,P|EE14,14,G15,15,H|EEII16,16,J17,17,K18,18,L|EE23,23,B|EE24,24,N25,25,M|EEEEEEEEEEEEEEEEEEEEEEEEEEE

remove B 
>> Removing city B (23,23)

debug 
>> IIIIIIIIIIIIEEEI4,4,T5,5,Y|EE6,6,U7,7,I|EEI8,8,O9,9,P|EE14,14,G15,15,H|EEI16,16,J17,17,K18,18,L|EE24,24,N25,25,M|EEEEEEEEEEEEEEEEEEEEEEEEEEE

remove G 
>> Removing city G (14,14)

debug 
>> IIIIIIIIIIIIEEEI4,4,T5,5,Y|EE6,6,U7,7,I|EE8,8,O9,9,P15,15,H|EEI16,16,J17,17,K18,18,L|EE24,24,N25,25,M|EEEEEEEEEEEEEEEEEEEEEEEEEEE

remove T 
>> Removing city T (4,4)

debug 
>> IIIIIIIIIII5,5,Y6,6,U7,7,I|EE8,8,O9,9,P15,15,H|EEI16,16,J17,17,K18,18,L|EE24,24,N25,25,M|EEEEEEEEEEEEEEEEEEEEEEEEEEE

remove N 
>> Removing city N (24,24)

debug 
>> IIIIIIIIIII5,5,Y6,6,U7,7,I|EE8,8,O9,9,P15,15,H|EEI16,16,J17,17,K18,18,L|EE25,25,M|EEEEEEEEEEEEEEEEEEEEEEEEEEE

remove H 
>> Removing city H (15,15)

debug 
>> IIIIIIIIIII5,5,Y6,6,U7,7,I|EE8,8,O9,9,P|EEI16,16,J17,17,K18,18,L|EE25,25,M|EEEEEEEEEEEEEEEEEEEEEEEEEEE

remove Y 
>> Removing city Y (5,5)

debug 
>> IIIIIIIIIII6,6,U7,7,I|EE8,8,O9,9,P|EEI16,16,J17,17,K18,18,L|EE25,25,M|EEEEEEEEEEEEEEEEEEEEEEEEEEE

remove M 
>> Removing city M (25,25)

debug 
>> IIIIIIIIIII6,6,U7,7,I|EE8,8,O9,9,P|EE16,16,J17,17,K18,18,L|EEEEEEEEEEEEEEEEEEEEEEEEEEE

remove J 
>> Removing city J (16,16)

debug 
>> IIIIIIIIIII6,6,U7,7,I|EE8,8,O9,9,P|EE17,17,K18,18,L|EEEEEEEEEEEEEEEEEEEEEEEEEEE

remove U 
>> Removing city U (6,6)

debug 
>> IIIIIIIIII7,7,I8,8,O9,9,P|EE17,17,K18,18,L|EEEEEEEEEEEEEEEEEEEEEEEEEEE

remove K 
>> Removing city K (17,17)

debug 
>> IIIIIIIIII7,7,I8,8,O9,9,P|EE18,18,L|EEEEEEEEEEEEEEEEEEEEEEEEEEE

remove I 
>> Removing city I (7,7)

debug 
>> 8,8,O9,9,P18,18,L|

remove L 
>> Removing city L (18,18)

debug 
>> 8,8,O9,9,P|

remove O 
>> Removing city O (8,8)

debug 
>> 9,9,P|

remove P 
>> Removing city P (9,9)

debug 
>> E