n: 40 m: 120 packed: 13 density: 0 nodes: 0 solveTime: 230 buildTime: 10 solved: true
{0,21,38}
{1,2,26}
{3,19,29}
{4,12,17}
{5,23,24}
{6,18,30}
{7,8,15}
{9,20,32}
{10,33,39}
{11,13,27}
{16,22,25}
{28,36,37}
{31,34,35}