1-- NNN: 1 U1 U1 ------------------------
2h = 0 (checking 0..63)   0...32...64...96...128...160...192...224...
3-- NNN: 2 U2 U2 ------------------------
4h = 0 (checking 0..62)   0...32...64...96...128...160...192...224...
5h = 1 (checking 1..63)   0...32...64...96...128...160...192...224...
6-- NNN: 4 U4 U4 ------------------------
7h = 0 (checking 0..60)   0...32...64...96...128...160...192...224...
8h = 1 (checking 1..61)   0...32...64...96...128...160...192...224...
9h = 2 (checking 2..62)   0...32...64...96...128...160...192...224...
10h = 3 (checking 3..63)   0...32...64...96...128...160...192...224...
11-- NNN: 4 F4 U4 ------------------------
12h = 0 (checking 0..60)   0...32...64...96...128...160...192...224...
13h = 1 (checking 1..61)   0...32...64...96...128...160...192...224...
14h = 2 (checking 2..62)   0...32...64...96...128...160...192...224...
15h = 3 (checking 3..63)   0...32...64...96...128...160...192...224...
16-- NNN: 8 U8 U8 ------------------------
17h = 0 (checking 0..56)   0...32...64...96...128...160...192...224...
18h = 1 (checking 1..57)   0...32...64...96...128...160...192...224...
19h = 2 (checking 2..58)   0...32...64...96...128...160...192...224...
20h = 3 (checking 3..59)   0...32...64...96...128...160...192...224...
21h = 4 (checking 4..60)   0...32...64...96...128...160...192...224...
22h = 5 (checking 5..61)   0...32...64...96...128...160...192...224...
23h = 6 (checking 6..62)   0...32...64...96...128...160...192...224...
24h = 7 (checking 7..63)   0...32...64...96...128...160...192...224...
25-- NNN: 8 F8 U8 ------------------------
26h = 0 (checking 0..56)   0...32...64...96...128...160...192...224...
27h = 1 (checking 1..57)   0...32...64...96...128...160...192...224...
28h = 2 (checking 2..58)   0...32...64...96...128...160...192...224...
29h = 3 (checking 3..59)   0...32...64...96...128...160...192...224...
30h = 4 (checking 4..60)   0...32...64...96...128...160...192...224...
31h = 5 (checking 5..61)   0...32...64...96...128...160...192...224...
32h = 6 (checking 6..62)   0...32...64...96...128...160...192...224...
33h = 7 (checking 7..63)   0...32...64...96...128...160...192...224...
34