Test 1
value count b% w%
----- ----- ------ ------
 0 2 12.5% 100%
 1 2 25% 87.5%
 2 2 37.5% 75%
 3 2 50% 62.5%
 4 2 62.5% 50%
 5 2 75% 37.5%
 6 2 87.5% 25%
 8 2 100% 12.5%
value count b% w%
----- ----- ------ ------
 0 168 75% 100%
 255 56 100% 25%
Test 2
127
63
127
191
255
25
51
76
102
127
153
179
204
230
255
Test Invalid
Expected failure 1 (no output)
Expected failure 2 (no output)
Expected failure 3 (no output)
Expected failure 4 (no output)