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+# Experimental!
+
+$
+⊜(⋕⊙□ °$"_:_") ≠@\n .
+Vals ←
+≡⍚⊜⋕≠@ .
+Vars ←
+
+Part₁  ← ≡⍚/(⊂⊃+×)
+Concat ← +×ⁿ⊙10+1⌊ₙ₁₀,
+Part₂  ← ≡⍚/(⊂⊂⊃⊃+×Concat)
+
+Solve ← /+≡(×⊙(/∨∈). ∩°□ °⊟) ⍉⊟ ≡□ Vals
+
+$Part₁ Solve Part₁ Vars
+$Part₂ Solve Part₂ Vars