montreal

0,3,8,12,15,17,20,13,18,20,23,22,20,21,21,23,26,22,25,28,29
2,0,4,10,12,14,17,8,16,16,20,20,15,17,18,18,24,17,23,25,25
8,4,0,2,5,10,10,3,10,11,15,12,11,14,11,14,19,13,15,20,21
10,10,2,0,3,5,7,1,5,6,9,8,7,7,10,12,12,11,12,15,16
14,12,4,4,0,2,6,3,1,3,6,6,5,4,5,7,10,5,9,14,13
18,12,9,4,1,0,4,2,2,2,7,5,4,3,2,4,8,3,6,9,12
20,16,8,7,5,2,0,7,1,1,4,2,1,1,1,1,4,2,3,9,10
11,6,3,2,4,3,6,0,3,6,9,8,7,9,9,11,13,7,12,13,16
19,16,9,5,1,3,1,2,0,3,6,3,1,4,4,5,6,5,7,10,12
19,15,9,6,1,1,1,7,1,0,1,3,1,1,2,3,6,1,3,9,10
23,20,16,7,4,8,5,7,5,2,0,2,3,3,2,1,3,1,3,4,5
21,19,12,7,5,4,2,7,1,2,1,0,1,1,2,2,2,1,4,5,7
19,14,11,6,6,2,2,6,1,2,1,2,0,1,1,2,4,3,6,6,7
20,15,15,5,2,3,1,8,3,2,1,2,2,0,1,1,3,1,4,8,9
22,18,10,8,4,2,1,9,3,1,3,1,1,2,0,3,6,1,3,6,6
22,16,15,12,8,2,1,11,5,3,2,3,1,1,1,0,4,1,1,6,4
26,25,20,13,11,8,2,12,5,6,3,1,4,4,5,4,0,4,1,2,3
22,16,13,10,6,2,1,5,5,2,2,2,1,2,2,2,4,0,3,4,8
26,22,13,13,8,6,3,13,6,4,4,2,6,4,3,2,2,3,0,3,3
27,23,19,13,15,8,8,13,11,10,5,4,6,7,5,4,3,2,3,0,2
28,26,22,17,13,13,10,14,12,10,3,7,7,9,4,5,2,6,2,3,0