C1111121111331311211331333133313331333112211231211113313232232132311321   >>    C111112111133131121133133313331333133311221123121111331323223213231132   <<    C1111121111331311211331333133313331333112211231211113313232232132311323   >>      C1111121111331311211331333133313331333112211231211113313232232132311322   >>