Siamese Breakdown

From any 2-person setup in which the two people are either adjacent laterally (couple or miniwave) or adjacent vertically (tandem, facing, or back-to-back): laterally adjacent people Single Wheel, while vertically adjacent people Single Turn to a Line.

\syhlines{b2e,g2w,g3n,b3s} \sxvlines{g3s,b3n,g4w,b4e}
2 4 2 4 3 1 3 1 3 1 3 1 4 2 4 2
before Siamese Breakdown after




\sxwtees{b3s,b4s,g1n,g2n} \sxetees{g1s,g2s,b4n,b3n}
3 1 4 2 1 3 2 4 1 3 2 4 4 2 3 1
before Siamese Breakdown after


It is illegal to call this if the identification of pairs is ambiguous.