2,3,7,16,65,321,()
A.4542 B.4544 C.4546 D.4548
1,2,3,7,16,() A.66;B.65;C.64;D.63
1,2,3,7,16,(),321。 A.63 B.64 C.65 D.66
2,3,7,16,65,321,() A.4546B.4548 C.4542D.4544
2,3,7,16,65,321,()A.4 546B.4 548 C.4 542 D.4 544
2,3,7,16,65,321,() A.4546 B.4548 C.4542 D.4544