n: 40 m: 116 packed: 13 density: 0 nodes: 0 solveTime: 2340 buildTime: 10 solved: true
{0,28,38}
{1,6,22}
{2,13,20}
{3,31,39}
{4,10,11}
{5,15,33}
{7,17,35}
{8,9,14}
{12,26,34}
{16,21,25}
{18,19,27}
{23,24,29}
{30,32,36}