n: 40 m: 342 packed: 13 density: 0 nodes: 0 solveTime: 9580 buildTime: 70 solved: true
{0,21,32}
{1,16,18}
{2,31,34}
{3,30,35}
{4,11,39}
{5,14,24}
{6,27,33}
{7,9,28}
{8,13,23}
{10,17,19}
{12,15,26}
{20,25,29}
{36,37,38}