n: 30 m: 390 packed: 10 density: 0 nodes: 0 solveTime: 5550 buildTime: 90 solved: true
{0,3,6}
{1,17,28}
{2,7,15}
{4,5,14}
{8,25,26}
{9,19,21}
{10,23,27}
{11,24,29}
{12,13,20}
{16,18,22}