n: 30 m: 281 packed: 10 density: 0 nodes: 0 solveTime: 4540 buildTime: 50 solved: true
{0,6,7}
{1,20,27}
{2,4,29}
{3,5,15}
{8,23,28}
{9,12,14}
{10,16,24}
{11,22,26}
{13,21,25}
{17,18,19}