n: 30 m: 306 packed: 10 density: 0 nodes: 0 solveTime: 3150 buildTime: 60 solved: true
{0,20,27}
{1,15,19}
{2,4,9}
{3,5,7}
{6,8,26}
{10,21,24}
{11,13,29}
{12,18,28}
{14,17,25}
{16,22,23}