100 Crypts Level 51 Walkthrough
4 planets on left and right with arithmetic operator
4 numbers in the middle
left : Saturn * Jupiter = Earth + Sun
middle : 1 > 1 > 1 < 1
right : Saturn + Jupiter = Earth * Sun
100-crypts-walkthrough
hint : make a correct equation for the numbers in the middle

100 crypts level 51 solution :
each planet have the numeric value
the answer is 3 > 2 > 1 < 5
so change the numbers from top to bottom :
Saturn = 3
Jupiter = 2
Earth = 1
Sun = 5
all numbers will gone and in the middle you will see a green arrow
press it and proceed to level 52