n: 40 m: 314 packed: 13 density: 0 nodes: 0 solveTime: 4730 buildTime: 60 solved: true
{0,24,33}
{1,14,37}
{2,5,36}
{3,25,26}
{4,6,28}
{7,21,31}
{8,11,12}
{9,27,30}
{10,20,32}
{13,15,29}
{16,22,35}
{17,19,39}
{18,34,38}