C222123232321333131133133313331323133313231323231312323221322223221   >>    C22212323232133313113313331333132313331323132323131232322132222322   <<    C222123232321333131133133313331323133313231323231312323221322223223   >>      C222123232321333131133133313331323133313231323231312323221322223222   >>