G:=[{9,10,11,12,13,14,15,16,17},{10,11,12,13,14,15,16,17},{18},{18},{19},{19},{20},{20}, {21,22,23,24,25,26},{},{},{},{},{},{},{},{},{21,22,23,24,25,26},{27,28,29,30,31,32,33,34,35,36},{27,28,29,30,31,32,33,34,35,36}, {37,38,39,40,41},{42,43,44,45},{46,47,48},{49,50,51,52,53,54},{55},{56,57,58},{56,57,58},{59,60,61},{62,63,64},{65,66},{67,68,69},{70,71,72,73},{74},{75},{76,77,78,79},{80,81,82}, {},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{83,84,85,86},{},{},{},{},{},{},{},{},{},{},{}];