C222123232321333131133133313331323133313231323133311322322212231   >>    C22212323232133313113313331333132313331323132313331132232221223   <<    C222123232321333131133133313331323133313231323133311322322212233   >>      C222123232321333131133133313331323133313231323133311322322212232   >>