C22212323232133313113313331333132313331323132323131232322113321221   >>    C2221232323213331311331333133313231333132313232313123232211332122   <<    C22212323232133313113313331333132313331323132323131232322113321223   >>      C22212323232133313113313331333132313331323132323131232322113321222   >>