n: 30 m: 333 packed: 10 density: 0 nodes: 0 solveTime: 3270 buildTime: 70 solved: true
{0,20,24}
{1,2,3}
{4,7,21}
{5,8,15}
{6,25,27}
{9,18,28}
{10,22,29}
{11,13,23}
{12,14,26}
{16,17,19}