C1111121111331311211331333133313331333133313231323133313331333133313233113331   >>    C111112111133131121133133313331333133313331323132313331333133313331323311333   <<    C1111121111331311211331333133313331333133313231323133313331333133313233113333   >>      C1111121111331311211331333133313331333133313231323133313331333133313233113332   >>