n: 40 m: 533 packed: 13 density: 0 nodes: 0 solveTime: 32820 buildTime: 160 solved: true
{0,13,34}
{1,5,9}
{2,3,17}
{4,16,26}
{6,7,8}
{10,33,37}
{11,14,29}
{15,25,38}
{18,28,31}
{19,20,35}
{21,30,39}
{22,27,32}
{23,24,36}