C11112331312111112111133133313331333133313123313331323221132321332321   >>    C1111233131211111211113313331333133313331312331333132322113232133232   <<    C11112331312111112111133133313331333133313123313331323221132321332323   >>      C11112331312111112111133133313331333133313123313331323221132321332322   >>