n: 30 m: 519 packed: 10 density: 0 nodes: 0 solveTime: 6930 buildTime: 160 solved: true
{0,1,3}
{2,7,8}
{4,10,28}
{5,9,15}
{6,22,26}
{11,24,29}
{12,13,14}
{16,23,25}
{17,18,21}
{19,20,27}