n: 30 m: 314 packed: 10 density: 0 nodes: 0 solveTime: 5320 buildTime: 60 solved: true
{0,13,21}
{1,25,29}
{2,14,20}
{3,15,17}
{4,12,28}
{5,10,18}
{6,7,24}
{8,11,22}
{9,16,26}
{19,23,27}