n: 30 m: 275 packed: 10 density: 0 nodes: 0 solveTime: 2320 buildTime: 50 solved: true
{0,18,28}
{1,4,12}
{2,24,25}
{3,5,6}
{7,8,9}
{10,11,29}
{13,14,21}
{15,16,22}
{17,20,26}
{19,23,27}