C222123232321333131133133313331323133313231322132313121212133231   >>    C22212323232133313113313331333132313331323132213231312121213323   <<    C222123232321333131133133313331323133313231322132313121212133233   >>      C222123232321333131133133313331323133313231322132313121212133232   >>