C1111121111331311211331333133313331333133313231333133313331333131331121111311   >>    C111112111133131121133133313331333133313331323133313331333133313133112111131   <<    C1111121111331311211331333133313331333133313231333133313331333131331121111313   >>      C1111121111331311211331333133313331333133313231333133313331333131331121111312   >>