n: 40 m: 286 packed: 13 density: 0 nodes: 0 solveTime: 1690 buildTime: 50 solved: true
{0,29,30}
{1,9,32}
{2,24,31}
{3,15,28}
{4,5,21}
{6,16,20}
{7,27,33}
{8,17,36}
{10,23,35}
{11,14,26}
{13,18,38}
{19,22,39}
{25,34,37}