n: 30 m: 452 packed: 10 density: 0 nodes: 0 solveTime: 13910 buildTime: 120 solved: true
{0,7,9}
{1,28,29}
{2,3,10}
{4,18,21}
{5,12,14}
{6,8,17}
{11,13,26}
{15,22,23}
{16,25,27}
{19,20,24}