n: 30 m: 173 packed: 10 density: 0 nodes: 0 solveTime: 640 buildTime: 20 solved: true
{0,9,26}
{1,8,27}
{2,3,28}
{4,5,19}
{6,7,10}
{11,12,24}
{13,14,25}
{15,17,22}
{16,21,29}
{18,20,23}