C222123232321333131133133313331323133313231323222212122123211311   >>    C22212323232133313113313331333132313331323132322221212212321131   <<    C222123232321333131133133313331323133313231323222212122123211313   >>      C222123232321333131133133313331323133313231323222212122123211312   >>