1
2 3 4
5
6 7 8 9 10 11 12
13
14 15 16
17
et la soluce:
15 to 14; 13 to 16; 9 to 15; 5 to 13; 3 to 4; 8 to 2; 7 to 3; 6 to 5; 13 to 6;
15 to 7; 16 to 8; 5 to 16; 8 to 13; 7 to 5; 13 to 7; 14 to 8; 10 to 14;
17 to 10; 16 to 17; 5 to 16; 3 to 15; 10 to 13; 11 to 3; 12 to 5; 13 to 12;
5 to 13; 3 to 11; 1 to 10; 13 to 1; 10 to 13; 11 to 3; 13 to 11; 3 to 13;
4 to 10; 13 to 4; 8 to 3; 15 to 8; 16 to 5; 8 to 16; 5 to 13; 3 to 8; 13 to 9;
14 to 13; 16 to 15; 2 to 5; 4 to 3