n: 30 m: 226 packed: 10 density: 0 nodes: 0 solveTime: 1260 buildTime: 30 solved: true
{0,10,20}
{1,7,14}
{2,11,24}
{3,18,19}
{4,8,9}
{5,16,21}
{6,25,29}
{12,13,23}
{15,17,28}
{22,26,27}