RULES FOR THIS VARIATION OF SUDOKU
Fill the rings with the numbers from 1 to 12 so that no number is repeated in any of the six rings, any of the six shaded double-wedges, or any of the pairs of opposite wedges.
Coordinates are:
N 33 3A.BCD
W 82 0E.FGH
Congratulations to OddballCachers, brandnu, and thebrocksfam4 for the FTF!!!