Overlaied the pi image on the cesium image. Hope this helps!
The row and order of the numbers as they appear in each frame are:
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2.1 _ 5.1 , 1.3 _ 4.2 _ 3.6 , 6.2 _
in other words:
row 2, #1
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row 5, #1
row 1, #3
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row 4, #2
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row 3, #6
row 6, #2