n: 30 m: 305 packed: 10 density: 0 nodes: 0 solveTime: 2210 buildTime: 60 solved: true
{0,12,22}
{1,20,21}
{2,24,29}
{3,4,14}
{5,6,23}
{7,11,27}
{8,10,17}
{9,18,26}
{13,15,28}
{16,19,25}