n: 30 m: 131 packed: 10 density: 0 nodes: 0 solveTime: 230 buildTime: 30 solved: true
{0,7,11}
{1,9,29}
{2,15,23}
{3,24,27}
{4,5,13}
{6,12,14}
{8,20,25}
{10,26,28}
{16,19,22}
{17,18,21}