n: 40 m: 627 packed: 13 density: 0 nodes: 0 solveTime: 53200 buildTime: 230 solved: true
{0,8,19}
{1,24,32}
{2,6,35}
{3,22,29}
{4,15,17}
{5,7,28}
{9,10,27}
{12,20,39}
{13,26,30}
{14,33,36}
{16,18,21}
{23,34,38}
{25,31,37}