n: 30 m: 262 packed: 10 density: 0 nodes: 0 solveTime: 2480 buildTime: 40 solved: true
{0,9,12}
{1,13,21}
{2,24,26}
{3,4,28}
{5,18,23}
{6,15,17}
{7,25,29}
{8,10,22}
{11,14,19}
{16,20,27}