n: 40 m: 508 packed: 13 density: 0 nodes: 0 solveTime: 12440 buildTime: 150 solved: true
{0,5,23}
{1,4,35}
{2,6,32}
{3,7,38}
{8,11,15}
{9,21,27}
{10,26,30}
{12,19,20}
{13,17,37}
{14,33,39}
{16,24,29}
{18,28,36}
{25,31,34}