General
1 or more space separated note names or a scale name (e.g. C Major)
1 or more space separated notes. Use b for flats and # for sharps. String order: last to first

Notes

Strings
1 or more space-separated numbers. String order: last to first

Frets
number between 1 and 30
number ≥ 0 and < frets

Reference Dots
1 or more space-separated numbers. Enter a number twice to get 2 dots.