C222123232321333131133133313331323132313331323132221332211212121   >>    C22212323232133313113313331333132313231333132313222133221121212   <<    C222123232321333131133133313331323132313331323132221332211212123   >>      C222123232321333131133133313331323132313331323132221332211212122   >>