n: 30 m: 217 packed: 10 density: 0 nodes: 0 solveTime: 3190 buildTime: 30 solved: true
{0,18,29}
{1,6,12}
{2,5,13}
{3,20,25}
{4,16,22}
{7,19,27}
{8,11,26}
{9,10,17}
{14,21,24}
{15,23,28}