C1111121111331311211331333133313331333133313231333133313232112322231   >>    C111112111133131121133133313331333133313331323133313331323211232223   <<    C1111121111331311211331333133313331333133313231333133313232112322233   >>      C1111121111331311211331333133313331333133313231333133313232112322232   >>