C11111333133313232233133313331333133313231333133313331121211331312231   >>    C1111133313331323223313331333133313331323133313331333112121133131223   <<    C11111333133313232233133313331333133313231333133313331121211331312233   >>      C11111333133313232233133313331333133313231333133313331121211331312232   >>