C11112331312111112111133133313331333132322121111331323323211311   >>    C1111233131211111211113313331333133313232212111133132332321131   <<    C11112331312111112111133133313331333132322121111331323323211313   >>      C11112331312111112111133133313331333132322121111331323323211312   >>