n: 30 m: 328 packed: 10 density: 0 nodes: 0 solveTime: 6470 buildTime: 70 solved: true
{0,8,19}
{1,2,3}
{4,12,14}
{5,13,17}
{6,7,9}
{10,22,29}
{11,24,28}
{15,25,27}
{16,18,21}
{20,23,26}