C222123232321333131133133313331323133313231323222212122313221121   >>    C22212323232133313113313331333132313331323132322221212231322112   <<    C222123232321333131133133313331323133313231323222212122313221123   >>      C222123232321333131133133313331323133313231323222212122313221122   >>