n: 40 m: 469 packed: 13 density: 0 nodes: 0 solveTime: 14630 buildTime: 130 solved: true
{0,26,32}
{1,21,38}
{2,5,35}
{3,28,29}
{4,6,24}
{8,31,37}
{9,34,39}
{10,18,19}
{11,16,27}
{12,15,33}
{13,20,30}
{14,22,23}
{17,25,36}