C222123232321333131133133313331323133313231323231312323223321231   >>    C22212323232133313113313331333132313331323132323131232322332123   <<    C222123232321333131133133313331323133313231323231312323223321233   >>      C222123232321333131133133313331323133313231323231312323223321232   >>