n: 40 m: 623 packed: 13 density: 0 nodes: 0 solveTime: 17090 buildTime: 220 solved: true
{0,1,11}
{2,30,33}
{3,13,15}
{4,18,39}
{5,9,12}
{6,8,29}
{7,34,37}
{10,22,32}
{14,31,35}
{17,25,28}
{19,23,36}
{20,21,27}
{24,26,38}