1. CELLS insert from buffer to the beginning insert from buffer to end copy to buffer clean out
2. ROW (remove BC) sort ascending sort descending insert before insert after paste from buffer to paste from buffer after copy to buffer delete rows before delete rows after
3. COLUMNS (remove BR) insert right insert left paste from buffer to the right paste from buffer to the left copy to buffer insert the number to the right insert the number to the left delete right delete left