C11111333133313232233133313331333133313331312111133133312111112111111331323231   >>    C1111133313331323223313331333133313331333131211113313331211111211111133132323   <<    C11111333133313232233133313331333133313331312111133133312111112111111331323233   >>      C11111333133313232233133313331333133313331312111133133312111112111111331323232   >>