n: 40 m: 273 packed: 13 density: 0 nodes: 0 solveTime: 3020 buildTime: 50 solved: true
{0,12,37}
{1,17,23}
{2,22,38}
{3,18,36}
{4,6,39}
{5,33,35}
{7,25,31}
{8,15,20}
{9,21,32}
{10,13,34}
{11,19,28}
{14,26,27}
{16,24,29}