n: 30 m: 220 packed: 10 density: 0 nodes: 0 solveTime: 620 buildTime: 30 solved: true
{0,20,24}
{1,2,3}
{4,11,12}
{5,8,25}
{6,16,17}
{7,14,27}
{9,15,29}
{10,23,26}
{13,21,28}
{18,19,22}