U-shapes (any direction)

Quetzalpoyoma (MH827r)

Tlailotlacan (X.040.B.27)

Tototetl (MH677r)

Tlahuical (MH815v)

Chimalpepech (MH810r)

Tlalli (MH755v)

Tlecuilhuacan (MH727v)

Chiquiuh (MH712v)

Acaquixti (MH733r)

Quetzalpoyoma (MH736r)