n: 30 m: 386 packed: 10 density: 0 nodes: 0 solveTime: 6370 buildTime: 90 solved: true
{0,17,20}
{1,6,9}
{2,3,7}
{4,5,12}
{8,24,26}
{10,15,29}
{11,21,25}
{13,18,28}
{14,16,23}
{19,22,27}