C11112331333132311331333133313331333132311213331333133313231311222331   >>    C1111233133313231133133313331333133313231121333133313331323131122233   <<    C11112331333132311331333133313331333132311213331333133313231311222333   >>      C11112331333132311331333133313331333132311213331333133313231311222332   >>