recordC4

Extends from C3.

Parameters

Type	Name	Default
Integer	x1 (from C3)
Integer	x2 (from C3)	2
C1	x3 (from C3)
C2	x4 (from C3)
C1	x5 (from C3)
Integer	a (from C1)
Integer	b (from C2)
Integer	c (from C2)