C11112331312111112111133133313331333132322121111331323112331333211331333232331   >>    C1111233131211111211113313331333133313232212111133132311233133321133133323233   <<    C11112331312111112111133133313331333132322121111331323112331333211331333232333   >>      C11112331312111112111133133313331333132322121111331323112331333211331333232332   >>