forked from I2P_Developers/i2p.i2p
- from 7 to 6 if not ff - from 7 to 3 if ff (we don't need to backtrack much if any, we know most of the ffs)
- from 7 to 6 if not ff - from 7 to 3 if ff (we don't need to backtrack much if any, we know most of the ffs)