n: 30 m: 390 packed: 10 density: 0 nodes: 0 solveTime: 11600 buildTime: 90 solved: true
{0,4,28}
{1,6,9}
{2,7,20}
{3,5,21}
{8,14,22}
{10,26,27}
{11,12,23}
{13,15,25}
{16,18,19}
{17,24,29}