n: 40 m: 511 packed: 13 density: 0 nodes: 0 solveTime: 14150 buildTime: 150 solved: true
{0,27,31}
{1,13,26}
{2,22,33}
{3,21,29}
{4,37,38}
{5,17,28}
{6,19,20}
{7,9,10}
{8,11,16}
{12,18,25}
{14,24,39}
{15,23,35}
{30,34,36}