n: 30 m: 381 packed: 10 density: 0 nodes: 0 solveTime: 15850 buildTime: 90 solved: true
{0,13,26}
{1,12,15}
{2,11,24}
{3,23,25}
{4,5,14}
{6,7,10}
{8,9,21}
{16,22,28}
{17,20,29}
{18,19,27}