n: 30 m: 222 packed: 10 density: 0 nodes: 0 solveTime: 800 buildTime: 30 solved: true
{0,4,28}
{1,10,16}
{2,7,9}
{3,13,17}
{5,18,21}
{6,15,26}
{8,14,22}
{11,20,29}
{12,25,27}
{19,23,24}