C11111333133313232233133313331333132313331323321313331323133311211312231   >>    C1111133313331323223313331333133313231333132332131333132313331121131223   <<    C11111333133313232233133313331333132313331323321313331323133311211312233   >>      C11111333133313232233133313331333132313331323321313331323133311211312232   >>