At init I didn't know if make an slow training at 19 and faster from 20 to 23, but now 19 to 23 is 3x faster than before with same bonus in every skill as normal Cff( no 3x).
At 24 they decrease -0.005 in every training in every skill
Until 31 same decrease , at 31 - 0.01 and , 32, 0.015... , 33 0.02... and rest as now.