n: 30 m: 301 packed: 10 density: 0 nodes: 0 solveTime: 1980 buildTime: 50 solved: true
{0,16,28}
{1,6,17}
{2,9,11}
{3,10,23}
{4,18,24}
{5,7,12}
{8,22,29}
{13,15,25}
{14,20,21}
{19,26,27}