3 offset
=485 #a4hoehe-b6breite
4 offset2
=130 #a4hoehe-2xb6breite
15 pstops
2:0 $1 | mypsbook
-g2 | pstops
-pb5 "2:0L(1w,0)+1L(1w,$b6w)" | strippagesize
"$bbox" a4
>v_
$output
16 pstops
2:1 $1 | mypsbook
-g2 | pstops
-pb5 "2:0L(1w,$offset)+1L(1w,$offset2)" | strippagesize
"$bbox" a4
>h_
$output