n: 30 m: 420 packed: 10 density: 0 nodes: 0 solveTime: 4450 buildTime: 110 solved: true
{0,1,5}
{2,3,23}
{4,7,22}
{6,10,24}
{8,9,19}
{11,17,28}
{12,20,27}
{13,14,21}
{15,18,29}
{16,25,26}