n: 40 m: 568 packed: 13 density: 0 nodes: 0 solveTime: 24640 buildTime: 180 solved: true
{0,25,36}
{1,5,14}
{2,8,15}
{3,9,37}
{6,7,11}
{10,21,32}
{12,20,22}
{13,24,28}
{16,29,35}
{17,30,31}
{18,27,38}
{19,26,34}
{23,33,39}