n: 40 m: 241 packed: 13 density: 0 nodes: 0 solveTime: 1540 buildTime: 40 solved: true
{0,13,36}
{1,31,35}
{2,3,18}
{4,17,37}
{5,14,15}
{6,21,29}
{7,25,38}
{8,20,26}
{9,32,33}
{10,19,30}
{11,22,24}
{12,23,27}
{16,34,39}