n: 40 m: 136 packed: 13 density: 0 nodes: 0 solveTime: 870 buildTime: 20 solved: true
{0,9,22}
{1,19,36}
{2,23,30}
{3,13,17}
{4,8,35}
{5,18,20}
{6,10,39}
{7,26,32}
{11,31,33}
{12,16,37}
{14,27,29}
{15,24,38}
{25,28,34}