Reverse 3

Obv. C with Rev.3 = #4 (C+3)

This reverse is also found on #10(F+3) #11(G+3) & #22(B+3).

Reverse 4

Obv. C with Rev.4 = #9 (C+4)

This reverse is also found on #5(D+4)

Reverse 2

Obv. C with Rev.2 = #21 (C+2)

This reverse is also found on #3(B+2)