n: 30 m: 339 packed: 10 density: 0 nodes: 0 solveTime: 7270 buildTime: 70 solved: true
{0,1,4}
{2,7,21}
{3,13,14}
{5,23,26}
{6,11,15}
{8,10,19}
{9,25,28}
{12,16,29}
{17,18,24}
{20,22,27}