F–A, C–E and G–B, aligned vertically, are perfect major thirds; A–E–B and F–C–G–D are two series of perfect fifths. The notes of the top line, A, E and B, are lowered by the syntonic comma, , and the "wolf" fifth D–A is too narrow by the same amount. The tritone F–B is ≈ 1.40625.
F–A, C–E and G–B, aligned vertically, are perfect major thirds; A–E–B and F–C–G–D are two !series of perfect fifths. The notes of the top line, A, E and B, are lowered by the syntonic comma, , and the "wolf" fifth D–A is too narrow by the same amount. The tritone F–B? is ≈ 1.40625.