1.

The correct match is

Answer»

`{:(A,B,C,D),(I,II,III,IV):}`
`{:(A,B,C,D),(IV,III,I,II):}`
`{:(A,B,C,D),(III,IV,II,I):}`
`{:(A,B,C,D),(IV,III,II,I):}`

ANSWER :4


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