C222123232321333131133133313331323133313231323231312323221132123231   >>    C22212323232133313113313331333132313331323132323131232322113212323   <<    C222123232321333131133133313331323133313231323231312323221132123233   >>      C222123232321333131133133313331323133313231323231312323221132123232   >>