C222123232321333131133133313331323133313231322132313121222111111   >>    C22212323232133313113313331333132313331323132213231312122211111   <<    C222123232321333131133133313331323133313231322132313121222111113   >>      C222123232321333131133133313331323133313231322132313121222111112   >>