2 lines
191 B
Text
2 lines
191 B
Text
Perms ← ⊜∘⊸≠@ "ABCD CABD ACDB DACB BCDA ACBD ADCB CDAB DABC BCAD CADB CDBA CBAD ABDC ADBC BDCA DCBA BACD BADC BDAC CBDA DBCA DCAB"
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/⊂≡(▽˜-⊸/↥⊕⊃⧻⊢⊸⊛)⍉ Perms
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