n: 30 m: 185 packed: 10 density: 0 nodes: 0 solveTime: 870 buildTime: 20 solved: true
{0,20,21}
{1,18,23}
{2,4,12}
{3,17,26}
{5,13,27}
{6,10,19}
{7,11,28}
{8,14,15}
{9,22,29}
{16,24,25}