manifold_lex_d2_n7_o1_g1_#1=[[1,2,3],[1,2,4],[1,3,5],[1,4,6],[1,5,7],
 [1,6,7],[2,3,6],[2,4,7],[2,5,6],[2,5,7],[3,4,5],[3,4,7],[3,6,7],
 [4,5,6]]