C1111121111331311211331333133313331311331333132233132313231323231   >>    C111112111133131121133133313331333131133133313223313231323132323   <<    C1111121111331311211331333133313331311331333132233132313231323233   >>      C1111121111331311211331333133313331311331333132233132313231323232   >>