C1111121111331311211331333133313331333133313231333133313331222311   >>    C111112111133131121133133313331333133313331323133313331333122231   <<    C1111121111331311211331333133313331333133313231333133313331222313   >>      C1111121111331311211331333133313331333133313231333133313331222312   >>