Unusual Guitar

The table below shows a pitch's name found over the six strings of a guitar in standard tuning, from the nut (zero), to the twelfth fret.
0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9 - 10 - 11 - 12
E - F - F♯ - G - A♭ - A - B♭ - B - C - C♯ - D - E♭ - E
B - C - C♯ - D - E♭ - E - F - F♯ - G - A♭ - A - B♭ - B