2,20,7
7,7
,z1,z2,z3,z4,e2,e3,e4
z1,,a12,a13,a14,,,
z2,,,a23,a24,,,
z3,,,,a34,,,
z4,,,,,,,
e2,,b2,,,,,
e3,,,b3,,,,
e4,,,,b4,,,
20,4
,z1,z2,z3,z4
,97,59,29,57
,95,77,6,72
,88,48,15,54
,95,56,41,94
,99,51,58,88
,103,69,52,87
,102,58,38,76
,82,56,50,67
,119,71,58,82
,108,54,47,83
,83,69,23,68
,97,71,20,76
,99,71,23,92
,115,85,58,79
,109,78,45,78
,109,78,51,81
,109,84,20,93
,107,62,57,72
,105,61,37,59
,117,74,57,74


