C222123232321333131133133313331323133313231322132313121311332231121   >>    C22212323232133313113313331333132313331323132213231312131133223112   <<    C222123232321333131133133313331323133313231322132313121311332231123   >>      C222123232321333131133133313331323133313231322132313121311332231122   >>