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Number Place — 11.10

I wonder how the sm-all cage relates to the large grid?
+++
+=
51621213915141137611048
31447212166189101351511
81316118713212161591437
111510911134141345621216
15891031021621416711112
41121661492711151338510
731314161811106111215426
26511710121551731691314
161211311913139641815149
11081516745161413241263
64753878391211213161
1391421216131546131612105
1071681542912611195-2113
9261141113125153251184
14534861011316291211715
12111513537168101414692