C222123232321333131133133313331323133313231323221133313221212231   >>    C22212323232133313113313331333132313331323132322113331322121223   <<    C222123232321333131133133313331323133313231323221133313221212233   >>      C222123232321333131133133313331323133313231323221133313221212232   >>