C222123232321333131133133313331323133313231322132313121122322131   >>    C22212323232133313113313331333132313331323132213231312112232213   <<    C222123232321333131133133313331323133313231322132313121122322133   >>      C222123232321333131133133313331323133313231322132313121122322132   >>