C222123232321333131133133313331323133313231322132313121123132233321   >>    C22212323232133313113313331333132313331323132213231312112313223332   <<    C222123232321333131133133313331323133313231322132313121123132233323   >>      C222123232321333131133133313331323133313231322132313121123132233322   >>