n: 30 m: 276 packed: 10 density: 0 nodes: 0 solveTime: 3140 buildTime: 50 solved: true
{0,7,29}
{1,8,22}
{2,4,17}
{3,6,20}
{5,13,23}
{9,14,15}
{10,11,19}
{12,24,27}
{16,26,28}
{18,21,25}