n: 30 m: 230 packed: 10 density: 0 nodes: 0 solveTime: 1680 buildTime: 40 solved: true
{0,15,23}
{1,5,20}
{2,26,29}
{3,25,28}
{4,19,21}
{6,17,22}
{7,16,24}
{8,11,27}
{9,14,18}
{10,12,13}