C13332313311211113313331333133313331323132233132322133313121211321   >>    C1333231331121111331333133313331333132313223313232213331312121132   <<    C13332313311211113313331333133313331323132233132322133313121211323   >>      C13332313311211113313331333133313331323132233132322133313121211322   >>