n: 40 m: 443 packed: 13 density: 0 nodes: 0 solveTime: 20260 buildTime: 120 solved: true
{0,16,33}
{1,15,19}
{2,18,25}
{3,6,28}
{4,7,13}
{5,21,31}
{8,27,39}
{9,17,37}
{10,12,26}
{14,29,30}
{20,24,38}
{22,32,36}
{23,34,35}