C11112331312111112111133133313331333133313331333133313331333132321223323221   >>    C1111233131211111211113313331333133313331333133313331333133313232122332322   <<    C11112331312111112111133133313331333133313331333133313331333132321223323223   >>      C11112331312111112111133133313331333133313331333133313331333132321223323222   >>