System 5 (long–short–short–short) · Drill cards

Aim = (Arrival − Start) × Factor · if Arrival = Start, Aim 0 (corner)

Reference position: Start 10, Arrival 10Arrival: 10Start: 10Aim: 0Start 10, Arrival 10 → Aim 0 (corner).
Start 20, Arrival 20Arrival: 20Start: 20Aim: 0Start 20, Arrival 20 → Aim 0 (corner).
Start 11, Arrival 15Arrival: 15Start: 11Aim: 20Start 11, Arrival 15 → (15 − 11) × 5 = Aim 20.
Start 7, Arrival 10Arrival: 10Start: 7Aim: 30Start 7, Arrival 10 → (10 − 7) × 10 = Aim 30.
Start 16, Arrival 19Arrival: 19Start: 16Aim: 7.5Start 16, Arrival 19 → (19 − 16) × 2.5 = Aim 7.5.