C11111333133313232233133313331333133313233313231333131211222331   >>    C1111133313331323223313331333133313331323331323133313121122233   <<    C11111333133313232233133313331333133313233313231333131211222333   >>      C11111333133313232233133313331333133313233313231333131211222332   >>