C11112331312111112111133133313331333132311211332123313222333131   >>    C1111233131211111211113313331333133313231121133212331322233313   <<    C11112331312111112111133133313331333132311211332123313222333133   >>      C11112331312111112111133133313331333132311211332123313222333132   >>