C21231322221311331311211312111133133331333133313331322331322331323132331133321   >>    C2123132222131133131121131211113313333133313331333132233132233132313233113332   <<    C21231322221311331311211312111133133331333133313331322331322331323132331133323   >>      C21231322221311331311211312111133133331333133313331322331322331323132331133322   >>