n: 40 m: 287 packed: 13 density: 0 nodes: 0 solveTime: 3290 buildTime: 50 solved: true
{0,19,33}
{1,15,21}
{2,11,38}
{3,24,35}
{4,14,32}
{5,7,29}
{6,28,31}
{8,18,20}
{9,12,39}
{10,25,37}
{13,23,26}
{16,17,36}
{22,27,30}