n: 40 m: 189 packed: 13 density: 0 nodes: 0 solveTime: 430 buildTime: 40 solved: true
{0,21,30}
{1,8,25}
{2,19,37}
{3,7,39}
{4,13,17}
{5,14,38}
{6,29,31}
{9,27,32}
{10,24,34}
{11,12,15}
{16,18,36}
{20,33,35}
{22,23,28}