Here is another 4 day split 4U...
Mon-Back/Claves/LB
Tues-OFF
Wed-Chest/Bis/Abs
Thur-Off
Fri-Quads/Hams
Sat-Shoulders/Traps/Tris
Sun-Off
Here is my current group of exercises
Mon-Pull ups, Seat Rows, WG Lat pull downs, DB Rows
(also work in Dead lifts EOW and drop the seated rows)...