n: 40 m: 294 packed: 13 density: 0 nodes: 0 solveTime: 2850 buildTime: 50 solved: true
{0,5,31}
{1,12,18}
{2,6,36}
{3,4,38}
{7,28,29}
{8,14,34}
{9,11,27}
{10,24,26}
{15,17,22}
{16,35,39}
{19,21,30}
{20,25,32}
{23,33,37}