n: 40 m: 425 packed: 13 density: 0 nodes: 0 solveTime: 11950 buildTime: 100 solved: true
{0,1,18}
{2,32,36}
{3,19,31}
{4,11,15}
{5,6,27}
{7,8,22}
{9,25,33}
{10,16,30}
{12,14,26}
{17,24,38}
{20,28,39}
{21,23,29}
{34,35,37}