C11112331312111112111133133313331333132311211332123313232212111   >>    C1111233131211111211113313331333133313231121133212331323221211   <<    C11112331312111112111133133313331333132311211332123313232212113   >>      C11112331312111112111133133313331333132311211332123313232212112   >>