C2221232323213331311331333133313331323132313331333223312232313231233321   >>    C222123232321333131133133313331333132313231333133322331223231323123332   <<    C2221232323213331311331333133313331323132313331333223312232313231233323   >>      C2221232323213331311331333133313331323132313331333223312232313231233322   >>