Doubles Variation Display

Name: Birthday

Code: 131a/c/f

Method: Reverse Canterbury Pleasure Place

Calls:

Callings: BPSPBPSPBPS₂P, BPSPBPS₂PBPS₂P

Ringing World references: 1997/1015 and 1997/1092

Rung: Grafton Underwood, 1 Aug 1997