n: 30 m: 219 packed: 10 density: 0 nodes: 0 solveTime: 1490 buildTime: 40 solved: true
{0,7,10}
{1,11,29}
{2,16,24}
{3,19,25}
{4,5,8}
{6,13,14}
{9,17,21}
{12,22,27}
{15,20,28}
{18,23,26}