C111112111133131121133133313331333132311211312111113331333132233131232321   >>    C11111211113313112113313331333133313231121131211111333133313223313123232   <<    C111112111133131121133133313331333132311211312111113331333132233131232323   >>      C111112111133131121133133313331333132311211312111113331333132233131232322   >>