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Ambiguous sequence symbols are compared as literal letters · case 05

Ambiguous sequence symbols are compared as literal letters.

Member previewVariant 5 · 3 implementations · 6 checks per implementation

Case contract

For equal-length strings over A,C,G,T,R,N, return whether every aligned pair has intersecting sets; R={A,G}, N={A,C,G,T}. Unequal lengths are false.

Why this case matters

An offline abstract sequence-data model; useful for testing representation invariants without biological inference.

One recorded failure

Sample boundary fixture

This sample comes from the broken implementation of a controlled reproducer.

Boundary fixtureActualExpectedOutcome
variable ambiguityfalsetrueFailed

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