n: 40 m: 187 packed: 13 density: 0 nodes: 0 solveTime: 840 buildTime: 30 solved: true
{0,17,25}
{1,11,33}
{2,20,30}
{3,12,13}
{4,7,19}
{5,23,29}
{6,26,36}
{8,21,39}
{9,15,24}
{10,31,38}
{14,22,32}
{16,27,35}
{18,34,37}