Question: 5. Construct an NFA that will accept strings over alphabet {1,2,3} such that the last symbol appears at least twice, but without any interven- ing

5. Construct an NFA that will accept strings over alphabet {1,2,3} such that the last symbol appears at least twice, but without any interven- ing higher symbol, in between. Examples are: 11, 2112, 123113, 3212113
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