n: 40 m: 322 packed: 13 density: 0 nodes: 0 solveTime: 4860 buildTime: 60 solved: true
{0,8,33}
{1,6,23}
{2,4,5}
{3,34,38}
{7,15,35}
{9,19,21}
{10,30,31}
{11,24,39}
{12,25,29}
{13,16,18}
{14,22,27}
{20,26,32}
{28,36,37}