C11111333133313232233133313331333132313331323321313331333132112313231322231   >>    C1111133313331323223313331333133313231333132332131333133313211231323132223   <<    C11111333133313232233133313331333132313331323321313331333132112313231322233   >>      C11111333133313232233133313331333132313331323321313331333132112313231322232   >>