Input (grade 5): If there is a third row, which is a repetition of the first row, there is the same fingering in all 12 scales, e. g. on a piano with a JankÃ keyboard.
Output (grade 4): If there is a third row, which is the same like the first row, there is the same fingering in all 12 scales, e. g. on a piano with a JankÃ keyboard.