C222123232321333131133133313331323132313331323132221322213231211   >>    C22212323232133313113313331333132313231333132313222132221323121   <<    C222123232321333131133133313331323132313331323132221322213231213   >>      C222123232321333131133133313331323132313331323132221322213231212   >>