n: 40 m: 317 packed: 13 density: 0 nodes: 0 solveTime: 5680 buildTime: 60 solved: true
{0,12,25}
{1,6,7}
{2,14,22}
{3,30,31}
{4,15,34}
{5,13,24}
{8,9,10}
{16,18,32}
{17,26,29}
{19,21,39}
{20,37,38}
{23,28,35}
{27,33,36}