n: 30 m: 328 packed: 10 density: 0 nodes: 0 solveTime: 2820 buildTime: 70 solved: true
{0,12,14}
{1,2,4}
{3,15,18}
{5,7,29}
{6,8,9}
{10,11,23}
{13,19,22}
{16,24,26}
{17,21,25}
{20,27,28}