n: 30 m: 259 packed: 10 density: 0 nodes: 0 solveTime: 1920 buildTime: 40 solved: true
{0,8,12}
{1,3,9}
{2,20,25}
{4,6,11}
{5,7,21}
{10,26,27}
{13,14,18}
{15,19,28}
{16,17,23}
{22,24,29}