C222123232321333131133133313331323133313231323222212122321132112121   >>    C22212323232133313113313331333132313331323132322221212232113211212   <<    C222123232321333131133133313331323133313231323222212122321132112123   >>      C222123232321333131133133313331323133313231323222212122321132112122   >>