C1111121111331311211331333133313331333133313231333133313331333132233112331211   >>    C111112111133131121133133313331333133313331323133313331333133313223311233121   <<    C1111121111331311211331333133313331333133313231333133313331333132233112331213   >>      C1111121111331311211331333133313331333133313231333133313331333132233112331212   >>