n: 40 m: 117 packed: 13 density: 0 nodes: 0 solveTime: 2650 buildTime: 10 solved: true
{0,8,21}
{1,9,37}
{2,12,29}
{3,17,20}
{4,5,38}
{6,26,35}
{7,23,32}
{10,27,31}
{13,15,33}
{14,18,34}
{16,28,39}
{19,22,25}
{24,30,36}