C1111121111331311211331333133313331313331323132233132313231323233231   >>    C111112111133131121133133313331333131333132313223313231323132323323   <<    C1111121111331311211331333133313331313331323132233132313231323233233   >>      C1111121111331311211331333133313331313331323132233132313231323233232   >>