C222123232321333131133133313331323133313231323222212122321323221   >>    C22212323232133313113313331333132313331323132322221212232132322   <<    C222123232321333131133133313331323133313231323222212122321323223   >>      C222123232321333131133133313331323133313231323222212122321323222   >>