C222123232321333131133133313331323132313331323132221322222112111   >>    C22212323232133313113313331333132313231333132313222132222211211   <<    C222123232321333131133133313331323132313331323132221322222112113   >>      C222123232321333131133133313331323132313331323132221322222112112   >>