C222123232321333131133133313331323133313231323222212122321121231   >>    C22212323232133313113313331333132313331323132322221212232112123   <<    C222123232321333131133133313331323133313231323222212122321121233   >>      C222123232321333131133133313331323133313231323222212122321121232   >>