n: 40 m: 294 packed: 13 density: 0 nodes: 0 solveTime: 4860 buildTime: 50 solved: true
{0,13,25}
{1,34,37}
{2,31,39}
{3,14,28}
{4,17,23}
{5,20,22}
{6,18,26}
{7,19,24}
{8,16,30}
{9,27,36}
{10,29,35}
{11,32,38}
{12,15,21}