GAUSS7 1998 Problem 18

Past Contests GAUSS7 1998
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1

The letters of the word ‘GAUSS’ and the digits in the number ‘1998’ are each cycled separately and then numbered as shown.

  1. AUSSG 9981
  2. USSGA 9819
  3. SSGAU 8199
    etc.

If the pattern continues in this way, what number will appear in front of GAUSS 1998?

Answer Choices
A. 4
B. 5
C. 9
D. 16
E. 20