C31231211111133131211113313331333132233133313331333132333132313231333112113231   >>    C3123121111113313121111331333133313223313331333133313233313231323133311211323   <<    C31231211111133131211113313331333132233133313331333132333132313231333112113233   >>      C31231211111133131211113313331333132233133313331333132333132313231333112113232   >>