n: 40 m: 539 packed: 13 density: 0 nodes: 0 solveTime: 28220 buildTime: 170 solved: true
{0,31,35}
{1,3,22}
{2,6,28}
{4,30,32}
{5,21,29}
{7,15,33}
{8,9,14}
{10,11,13}
{12,34,37}
{16,20,24}
{17,23,36}
{18,27,38}
{19,26,39}