pdfnup --nup 4x1 --papersize '{148mm,
420mm}' a6testbooklet.pdf 16,1,4,13
pdfnup --nup 4x1 --papersize '{148mm,
420mm}' a6testbooklet.pdf 14,3,2,15
pdfnup --nup 4x1 --papersize '{148mm,
420mm}' a6testbooklet.pdf 10,7,6,11
pdf180 a6testbooklet-10,7,6,11-nup.pdf
pdfnup --nup 4x1 --papersize '{148mm,
420mm}' a6testbooklet.pdf 12,5,8,9
pdf180 a6testbooklet-12,5,8,9-nup.pdf
pdfunite a6testbooklet-16,1,4,13-nup.pdf
a6testbooklet-12,5,8,9-nup-rotate180.pdf
a6testbooklet-14,3,2,15-nup.pdf
a6testbooklet-10,7,6,11-nup-rotate180.pdf
a6tmp.pdf
pdfnup --nup 1x2 a6tmp.pdf