There are 8 streets in northern San Po Kong area named after the Chinese numerals 1 to 8, followed by an auspicious word. This multi will guide you to visit all of them. You can go to all stages by any sequence and the cache is located at the following coordinates.
N 22° 2{A-2}.{(D-E)*B-C}{F*G+J-H/2}{L/K-M^N}
E 114° 1{P-2}.{R+1}{(S+T+W)*V+U}{X/2}
Stage 1: Tai Yau Street (大有街)
Description: "Tai Yau" means all-inclusive in Chinese. Also, it is the broke out place of the 1967 Hong Kong riots.
Coordinates: N 22° 20.163 E 114° 11.836
The Cache: At the above coordinates, you will find {A} purple postbox(es).
Stage 2: Sheung Hei Street (雙喜街)
Description: "Sheung Hei" means double happiness in Chinese.
Coordinates: N 22° 20.290 E 114° 11.869
The Cache: At the above coordinates, you will find a yellow fire hydrant. The number printed in red is {B}{C}{D}{E}.
Stage 3: Sam Chuk Street (三祝街)
Description: "Sam" means three in Chinese while "Chuk" means expressing good wishes in Chinese.
Coordinates: N 22° 20.191 E 114° 11.820
The Cache: At the above coordinates, you will find a light post. The number printed on it is AB{F}{G}{H}{J}.
Stage 4: Sze Mei Street (四美街)
Description: "Sze" means four in Chinese while "Mei" means beauty in Chinese.
Coordinates: N 22° 20.259 E 114° 12.074
The Cache: At the above coordinates, you will find a traffic controller. The energy authority approval no. is CS{K}{L}{M}{N}N.
Stage 5: Ng Fong Street (五芳街)
Description: "Ng" means five in Chinese while "Fong" means fragrant in Chinese.
Coordinates: N 22° 20.267 E 114° 12.051
The Cache: At the above coordinates, you will find an entrance to the car park. The height limitation of the car park is {P} meter(s).
Stage 6: Luk Hop Street (六合街)
Description: "Luk" means six in Chinese while "Luk Hop" means perfect match in Chinese.
Coordinates: N 22° 20.234 E 114° 11.977
The Cache: At the above coordinates, you will find silhouettes outside a hotel. There are {R} person(s) in total.
Stage 7: Tsat Po Street (七寶街)
Description: "Tsat" means seven in Chinese while "Po" means treasures or valuables in Chinese.
Coordinates: N 22° 20.154 E 114° 11.891
The Cache: At the above coordinates, you will find a bollard on the refuge island. The number on the bollard is {S}{T}{U}{V}{W}.
Stage 8: Pat Tat Street (八達街)
Description: "Pat" means eight in Chinese while "Pat Tat" means accessible from all directions in Chinese.
Coordinates: N 22° 20.196 E 114° 11.913
The Cache: At the above coordinates, you will find a series of metered parking spaces. There are {X} parking meter(s) along the street.
CheckSum
{A}+{B}+{C}+{D}+{E}+{F}+{G}+{H}+{J}+{K}+{L}+{M}+{N}+{P}+{R}+{S}+{T}+{U}+{V}+{W}+{X} = 92