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  • ASTN: ZTSO:: MSUB:?
Question 1:
ASTN: ZTSO:: MSUB:?
A. CRRC
B. LTTA
C. NTVC
D. LTTC
Feedback The 1st and 3rd letter of the group are each moved to 1 step backward while the 2nd and 4th letters are each moved one step forward to the corresponding letters the second group.

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