*The reference coordinates are not to be used as the cache is NOT hidden there*
Second pair minus the first pair =
Sum of the last pair =
Last pair =
Sum of 1st 3 pairs minus the last digit =
Sum of the 3rd pair =
Sum of the 2nd pair =
(1st pair multiplied by the 2nd pair) ÷ 10 =
(rounded to the nearest whole number)
**Congratulations to 'DesG & Rekoons' for joint FTF**