n: 40 m: 135 packed: 13 density: 0 nodes: 0 solveTime: 300 buildTime: 20 solved: true
{0,13,17}
{1,9,19}
{2,10,23}
{3,21,24}
{4,33,35}
{5,15,25}
{6,8,32}
{7,26,27}
{11,14,20}
{12,16,30}
{18,31,37}
{22,28,39}
{34,36,38}