example.nex

#NEXUS

BEGIN TAXA;
    DIMENSIONS NTAX = 4;
    TAXLABELS
        A
        B
        C
        D
    ;
END;

BEGIN CHARACTERS;
    DIMENTIONS NTAX=4 NCHAR=1;
    FORMAT DATATYPE = STANDARD GAP = - MISSING = ? SYMBOLS = "  0 1 2 3 4 5 6 7 8 9 A B C D E F G H J K M N P Q R S T U V W X Y Z a b c d e f g h j k m n p q r s";
    MATRIX
        A   0
        B   1
        C   2
        D   1
    ;
END;.

BEGIN ASSUMPTIONS;
    TYPESET * example_order = unord: 1;
END;