Deleting columns from a file with awk or from command line on linux

Question

How can I delete some columns from a tab separated fields file with awk?

c1 c2 c3 ..... c60

For example, delete columns be

Answer 1

awk '{for(z=3;z<=15;z++)$z="";$0=$0;$1=$1}1'

Input

c1 c2 c3 c4 c5 c6 c7 c8 c9 c10 c11 c12 c13 c14 c15 c16 c17 c18 c19 c20 c21

Output

c1 c2 c16 c17 c18 c19 c20 c21