Reference position: 30 − 20 + 0 = 10Aim: 20Spin (level × 10): 0Start: 30Arrival: 10Start 30, aim 20 (1st diamond from the left on the top cushion), no spin. Arrival 10: 2/3 of a diamond from the corner on the bottom cushion.
Spider Web System (거미줄 시스템) · Drill cards
Arrival = Start − Aim + Spin
40 − 40 + 20 = 20Aim: 40Spin (level × 10): 20Start: 40Arrival: 20From the bottom-right corner (40) to the middle diamond of the top cushion (40), with two levels of spin. Arrival 20: 1⅓ diamonds from the left.
30 − 30 + 30 = 30Aim: 30Spin (level × 10): 30Start: 30Arrival: 30Start 30, aim 30 (1½ diamonds), three levels of spin. Arrival 30: middle diamond.
30 − 20 + 40 = 50Aim: 20Spin (level × 10): 40Start: 30Arrival: 50The line of the reference position, with maximum spin (9 o'clock). Arrival 50: 3⅓ diamonds from the left.
30 − 30 + 10 = 10Aim: 30Spin (level × 10): 10Start: 30Arrival: 10Start 30, aim 30, one level of spin. Arrival 10.
40 − 40 + 40 = 40Aim: 40Spin (level × 10): 40Start: 40Arrival: 40From the bottom-right corner to the middle diamond, with maximum spin. Arrival 40: 2⅔ diamonds from the left.