n: 40 m: 259 packed: 13 density: 0 nodes: 0 solveTime: 1310 buildTime: 40 solved: true
{0,24,25}
{1,32,37}
{2,14,17}
{3,26,36}
{4,21,22}
{5,9,35}
{6,7,11}
{8,20,28}
{10,13,15}
{12,27,29}
{16,34,38}
{18,30,39}
{19,23,33}