n: 40 m: 465 packed: 13 density: 0 nodes: 0 solveTime: 17580 buildTime: 120 solved: true
{0,3,5}
{1,2,7}
{4,12,39}
{8,31,32}
{9,23,29}
{10,19,30}
{11,16,33}
{13,14,27}
{15,26,37}
{17,21,36}
{18,34,38}
{20,25,28}
{22,24,35}