<== ( 0  fields )
;<== ( 2  fields )
;;<== ( 3  fields )
Red;Green;Blue<== ( 3  fields )

a<== ( 1  fields )
a;b<== ( 2  fields )
a;b;c<== ( 3  fields )
;b;c<== ( 3  fields )
a;;c<== ( 3  fields )
a;b;<== ( 3  fields )
