n: 30 m: 291 packed: 10 density: 0 nodes: 0 solveTime: 5200 buildTime: 60 solved: true
{0,20,21}
{1,2,6}
{3,13,14}
{4,11,28}
{5,10,26}
{7,24,29}
{8,18,22}
{9,15,16}
{12,25,27}
{17,19,23}