C1111121111331311211331333133313331333133313231333133313331311331333112132321   >>    C111112111133131121133133313331333133313331323133313331333131133133311213232   <<    C1111121111331311211331333133313331333133313231333133313331311331333112132323   >>      C1111121111331311211331333133313331333133313231333133313331311331333112132322   >>