n: 30 m: 401 packed: 10 density: 0 nodes: 0 solveTime: 10350 buildTime: 100 solved: true
{0,7,9}
{1,23,27}
{2,5,14}
{3,13,26}
{4,6,22}
{8,10,11}
{12,28,29}
{15,18,21}
{16,17,19}
{20,24,25}