C31231211111133131211113313331333132233133313331333132213133231   >>    C3123121111113313121111331333133313223313331333133313221313323   <<    C31231211111133131211113313331333132233133313331333132213133233   >>      C31231211111133131211113313331333132233133313331333132213133232   >>