n: 30 m: 333 packed: 10 density: 0 nodes: 0 solveTime: 3210 buildTime: 70 solved: true
{0,6,7}
{1,21,23}
{2,3,5}
{4,8,14}
{9,13,22}
{10,15,27}
{11,12,19}
{16,17,26}
{18,25,29}
{20,24,28}