C222123232321333131133133313331323133313231322132313121113112121221   >>    C22212323232133313113313331333132313331323132213231312111311212122   <<    C222123232321333131133133313331323133313231322132313121113112121223   >>      C222123232321333131133133313331323133313231322132313121113112121222   >>