C11112331312111112111133133313331333132212111133133313331333133312111113331111   >>    C1111233131211111211113313331333133313221211113313331333133313331211111333111   <<    C11112331312111112111133133313331333132212111133133313331333133312111113331113   >>      C11112331312111112111133133313331333132212111133133313331333133312111113331112   >>