C222123232321333131133133313331323133313231322132313121331311321   >>    C22212323232133313113313331333132313331323132213231312133131132   <<    C222123232321333131133133313331323133313231322132313121331311323   >>      C222123232321333131133133313331323133313231322132313121331311322   >>