n: 30 m: 187 packed: 10 density: 0 nodes: 0 solveTime: 1750 buildTime: 20 solved: true
{0,18,26}
{1,12,21}
{2,10,24}
{3,9,29}
{4,6,27}
{5,7,15}
{8,11,22}
{13,14,23}
{16,17,20}
{19,25,28}