n: 40 m: 367 packed: 13 density: 0 nodes: 0 solveTime: 2110 buildTime: 80 solved: true
{0,3,13}
{1,16,34}
{2,4,7}
{5,17,20}
{6,30,37}
{8,9,39}
{10,24,36}
{11,18,35}
{12,23,33}
{14,21,26}
{15,29,31}
{19,27,32}
{22,28,38}