C222123232321333131133133313331323133313231322132313121122133312111   >>    C22212323232133313113313331333132313331323132213231312112213331211   <<    C222123232321333131133133313331323133313231322132313121122133312113   >>      C222123232321333131133133313331323133313231322132313121122133312112   >>