C222123232321333131133133313331323133313231322132313121311233112131   >>    C22212323232133313113313331333132313331323132213231312131123311213   <<    C222123232321333131133133313331323133313231322132313121311233112133   >>      C222123232321333131133133313331323133313231322132313121311233112132   >>