C11112331312111112111133133313331333132212111133133313331333132322331323231311   >>    C1111233131211111211113313331333133313221211113313331333133313232233132323131   <<    C11112331312111112111133133313331333132212111133133313331333132322331323231313   >>      C11112331312111112111133133313331333132212111133133313331333132322331323231312   >>