I WILL GIVE DISLIKES $!!!$ IF ANYTHING WRONG HAPPENS IN MY QUESTION, BETTER SKIP IT$!!!$

$"$

$$C$++1-..-//////$ A$+$ A$-$ B$+$ B$-$ O$+$ O$-$ AB$+$ AB$-.//$

XA$13$

$2-$ A$+$ A$-$ B$+$ B$-$ O$+$ O$-$ AB$+$ AB$-3-()4-1-2-..4.11..2.3$

$6-$