n: 30 m: 215 packed: 10 density: 0 nodes: 0 solveTime: 690 buildTime: 30 solved: true
{0,1,9}
{2,7,17}
{3,4,22}
{5,26,27}
{6,12,21}
{8,14,15}
{10,24,28}
{11,13,29}
{16,20,25}
{18,19,23}