C222123232321333131133133313331323133313231323133311322131213121211   >>    C22212323232133313113313331333132313331323132313331132213121312121   <<    C222123232321333131133133313331323133313231323133311322131213121213   >>      C222123232321333131133133313331323133313231323133311322131213121212   >>