Akontaabu a ɛfa arch a wɔde yɛ picket fence ho
Kyerɛ nsusuwii ahorow a wɔhwehwɛ wɔ milimita mu
H - ban no sorokɔ a ɛba fam koraa
Y - ban no sorokɔ a ɛsen biara
X - kwan a ɛda abɔnten keteke kwan no mfinimfini ntam
Z - picket keteke kwan no trɛw
K - Keteke dodow a ɛwɔ ɔfã no mu
D - Ɔkwan a ɛda keteke akwan ntam
Sɛ ɔsorokɔ a
Y > H
Sɛ ɔsorokɔ a
Y < H