n: 40 m: 450 packed: 13 density: 0 nodes: 0 solveTime: 13210 buildTime: 120 solved: true
{0,7,39}
{1,9,34}
{2,15,29}
{3,4,18}
{5,28,35}
{6,14,25}
{8,10,32}
{11,30,31}
{12,17,23}
{13,33,37}
{16,21,38}
{19,20,24}
{26,27,36}