n: 40 m: 421 packed: 13 density: 0 nodes: 0 solveTime: 10420 buildTime: 110 solved: true
{0,24,37}
{1,33,36}
{2,9,38}
{3,31,35}
{4,10,18}
{5,22,32}
{6,13,39}
{7,16,17}
{8,21,28}
{12,26,30}
{14,15,19}
{20,23,29}
{25,27,34}