{{
{1,2,3,4,5,6,7,9,10},
{4,5,6,7,9,10,12},
{10,11,12,13,14,15},
{13,14,15,17,18,20},
{20,21,22,23,25,26,28},
{25,26,27,28,29,30,31},
{28,29,30,31,33,34,36},
{35,36,37,38,41,42,44},
{29,30,31,39,41,42,43,44},
{40,41,42,43,44,45,46}
}}