n: 30 m: 260 packed: 10 density: 0 nodes: 0 solveTime: 5280 buildTime: 40 solved: true
{0,9,14}
{1,10,15}
{2,3,7}
{4,6,27}
{5,11,13}
{8,20,28}
{12,21,29}
{16,18,22}
{17,23,26}
{19,24,25}