C222123232321333131133133313331323132313331312112113233132111221   >>    C22212323232133313113313331333132313231333131211211323313211122   <<    C222123232321333131133133313331323132313331312112113233132111223   >>      C222123232321333131133133313331323132313331312112113233132111222   >>