C222123232321333131133133313331323132313331323112331233232212121211   >>    C22212323232133313113313331333132313231333132311233123323221212121   <<    C222123232321333131133133313331323132313331323112331233232212121213   >>      C222123232321333131133133313331323132313331323112331233232212121212   >>