C22212323232133313113313331333133313231323132222123323111133311   >>    C2221232323213331311331333133313331323132313222212332311113331   <<    C22212323232133313113313331333133313231323132222123323111133313   >>      C22212323232133313113313331333133313231323132222123323111133312   >>