n: 40 m: 360 packed: 13 density: 0 nodes: 0 solveTime: 3070 buildTime: 70 solved: true
{0,1,28}
{2,30,31}
{3,36,39}
{4,5,12}
{6,21,37}
{7,34,35}
{8,11,29}
{9,14,27}
{10,24,32}
{13,18,33}
{15,20,26}
{16,19,22}
{17,23,38}