n: 40 m: 311 packed: 13 density: 0 nodes: 0 solveTime: 7780 buildTime: 60 solved: true
{0,22,30}
{1,18,25}
{2,4,16}
{3,17,39}
{5,11,23}
{6,27,29}
{7,26,31}
{8,21,35}
{9,15,28}
{12,13,33}
{14,19,20}
{24,32,37}
{34,36,38}