There can be 6 groups made.
(21, 22, 65, 76, 153) (34, 39, 44, 45, 133)
The Thin Man - 1957 Ship Shakedown 1-22 was released on: USA: 21 February 1958
Gunsmoke - 1955 Blind Man's Buff 17-22 was released on: USA: 21 February 1972
22-21 = 1
21 - 1, 3, 7, 21 22 - 1, 2, 11, 22
Tales of the Texas Rangers - 1955 The Man from Sundown 1-22 was released on: USA: 21 January 1956
The Young Riders - 1989 Man Behind the Badge 1-21 was released on: USA: 22 March 1990
0.9545
22
Out of the 112 elements known, 90 are found in nature and the rest (22 are man made).
23 x 22 x 21 x 20/4 x 3 x 2 = 8,855 groups
22