#CHROM POS ID REF ALT QUAL FILTER INFO FORMAT a3 C
22 10 . C A . . . GT 0/0 ./.
22 22 . A C . . . GT 0/0 0/0
22 23 . C A . . . GT 0/0 1/0
#CHROM POS ID REF ALT QUAL FILTER INFO FORMAT A1
22 10 . C A . . . GT ./.
22 22 . A C . . . GT 0/0
22 23 . C A . . . GT 0/1
#CHROM POS ID REF ALT QUAL FILTER INFO FORMAT a2
22 10 . C A . . . GT 0/1
22 22 . A C . . . GT 0/0
22 23 . C A . . . GT 0/0
#CHROM POS ID REF ALT QUAL FILTER INFO FORMAT b1 b2 C
22 10 . C A . . . GT ./. 0/0 ./.
22 22 . A C . . . GT 0/0 0/0 0/0
22 23 . C A . . . GT 0/1 0/0 1/0
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