Jeff2L refers to any F2L case where neither the corner nor the corresponding edge is in the U layer, and where at least one is in a wrong slot. When there are only such F2L pairs (as it happens all the time to Jeff Chiu, after whom Jeff2L is named), most cubers do for example RUR' to reduce to a normal F2L case.

Below is a complete list of adjacent-slot Jeff2L cases, as well as a few diagonal-slot cases. Since these cases have fairly easy recognition, the easier algorithms may be useful even when there is a normal F2L case.

Corner in wrong slot

Edge in wrong slot

Both corner and edge in wrong slot

Some diagonal-slot Jeff2L

**L'RULU'R'**- DRU'R'D'RUR'
- commutator; inverse of second half of the Rowe E perm

**L'RU'R'UL**- RU'R'DRUR'D'
- commutator; first half of the Rowe E perm

**RUL'U'LR'**

**L'U'RULR'**

**y'R'UR2U2'R2'UR**

**y'RU'R2U2'R2U'R'**

**y'RU'FRF'R2U'R**- from JUN

**R'FRU'F'RU'R'**- from JUN

**LF'L'UFL'UL**- LFL'FRL'ULR'
- naive, but not bad

**LF2L'FU'F**- y'LF2L'FU'F
- inverse of this case; from Stefan Pochmann

**R'F2'RF'UF'**- maybe as y'B'-R2'BR'UR'

**FRwU2'Rw'F'****y'R2UR2U'R2'**

**F'Lw'U2'LwF****y'R2U'R2'UR2**

**RUL'U2LR'**

**L'U'RU2LR'**

**RU'L'U'LU'R'**- L'URU2'LU'R'

**L'URUR'UL**- RU'L'U2R'UL

**LUwL'Uw'L'**- from Chris Hardwick; also as zULF'L'U'z'; variation LwUwL'Uw'Lw'
**y'F'R'URF**- same algorithm; as z'FwRU'R'B' by JUN
- RFU'F'R'
- FURwU'Rw'F'
- affects FR/FL edges; better than F'Lw'U'LwUF

**R'Uw'RUwR**- from Chris Hardwick; also as z'U'R'FRUz; variation Rw'Uw'RUwRw
**y'BRU'R'B'**- same algorithm
- L'F'UFL
**FRwURw'U'F'**- affects FR/FL edges

**RU'R2Uw'R'UwR**- from JUN; reduction using RU'R'

**L'UL2UwLUw'L'**- reduction using L'UL2

**FU2'R'F'R2UR'**

**F'U2LFL2'U'L**- y'R'U'R2U'R'F'U'F

**y'RU'RU2'R2'U2'RUR****y'RURU2'R2'U2'RU'R**- a little less intuitive

**y'R'UR'U2'R2U2'R'U'R'****y'R'U'R'U2'R2U2'R'UR'**- a little less intuitive

**y'RU'R2'U'RU'R'U'R**- reduction by y'RU'R'
- y'RU'R'U'RU'R2'U'R
- alternate ending
- F'R2UF'R2FU'R2
- probably not worth it

**y'R'U-R2UR'URUR'**- reduction by y'R'UR
- y'R'URU'RU'R'U'RUR'
- alternate ending; maybe better here?
- FL2U'FL2F'UL2
- not worth it; only as a reference

**L'ULURU'R'U'RUR'**- reduction by L'UL
**y'RUR'U'RU'R'UR'U'R**- reduction by y'RUR'; also consider y'RU'R'
- y'RUR2U2'R'UR'U'R2
- different finish; as a reference

**RU'R'U'L'ULUL'U'L**- reduction by RU'R'
**y'R'U'RUR'URU'RUR'**- reduction by y'R'U'R; also consider y'R'UR

**LF'L'FRU'R'**- first see if the slot with pair can be solved without Jeff2L

**RUR'F'LFL'**- same

**y'RU'R2'yR'F'RF**- reduction by y'RU'R'
- FLF'L'y'R2'U'R
- L'U'RwR'ULURw'RF'
- F'RU'R'RwU'Rw'RUR'F

**y'R'UR2FRF'R'**- reduction by y'R'UR
- y'R'B'R2'UR'
- RULw'LU'R'U'LwL'F
- F'RU'R'RwURw'RUR'F
- inverse of the mirror case

**L'U'Ly'R'U2RUR'U'R**- reduction by L'U'L. consider others.

**RUR'y'RU2'R'U'RUR'**- reduction by RUR'. consider others.

**R'UR'Uw'R2UwR2**- from JUN

**R2U'LUL'R2**- from JUN

**R2LU'L'UR2**

**R2'FRU'F'R**- from Gungz