n: 30 m: 322 packed: 10 density: 0 nodes: 0 solveTime: 4800 buildTime: 60 solved: true
{0,17,29}
{1,18,21}
{2,3,6}
{4,5,7}
{8,20,24}
{9,15,16}
{10,26,28}
{11,12,19}
{13,14,27}
{22,23,25}