// output of ./demo/comb/attic/mixedradix-gslex-demo.cc:
// Description:
//% Mixed radix numbers in gslex (generalized subset lex) order.

arg 1: 3 == n  [Number of digits]  default=3
arg 2: 4 == rr  [Base (radix) of digits (0==>falling factorial, 1==>rising factorial)]  default=4
args 3,4,... : [Optionally supply radix for all digits (rr ignored)]
Nines: [ 3 3 3 ]
    0:      [ 1 . . ]    { 0 }
 ct=1