n: 30 m: 284 packed: 10 density: 0 nodes: 0 solveTime: 5300 buildTime: 50 solved: true
{0,3,9}
{1,4,12}
{2,5,20}
{6,14,19}
{7,18,21}
{8,24,29}
{10,11,22}
{13,26,28}
{15,23,25}
{16,17,27}