C222123232321333131133133313331323133313231322132313121212331311123221   >>    C22212323232133313113313331333132313331323132213231312121233131112322   <<    C222123232321333131133133313331323133313231322132313121212331311123223   >>      C222123232321333131133133313331323133313231322132313121212331311123222   >>