Doubles Variation Display

Name: Tim's Thumb

Code: 178h/x/y

Method: Grandsire

Calls:

Plain (P)

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Pink's Single (S)

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Antelope Bob (B)

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Pink's Bob (B₂)

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Calling: SPBPB₂PSPB₂PBP

Rung: Birchington, 30 Nov 2025