A=1 ... Z=26
A:1 B:2 C:3 X:24 Y:25 Z:26
1 2 3 24 25 26
Sum of numbers: 81 - Digit sum(s): 9
Sum of digits: 27 - Digit sum(s): 9
A=0 ... Z=25
A:0 B:1 C:2 X:23 Y:24 Z:25
0 1 2 23 24 25
Sum of numbers: 75 - Digit sum(s): 12 3
Sum of digits: 21 - Digit sum(s): 3
A=26 ... Z=1
A:26 B:25 C:24 X:3 Y:2 Z:1
26 25 24 3 2 1
Sum of numbers: 81 - Digit sum(s): 9
Sum of digits: 27 - Digit sum(s): 9
A=25 ... Z=0
A:25 B:24 C:23 X:2 Y:1 Z:0
25 24 23 2 1 0
Sum of numbers: 75 - Digit sum(s): 12 3
Sum of digits: 21 - Digit sum(s): 3
A=2 ... Z=101 (primes)
A:2 B:3 C:5 X:89 Y:97 Z:101
2 3 5 89 97 101
Sum of numbers: 297 - Digit sum(s): 18 9
Sum of digits: 45 - Digit sum(s): 9
Telephone keyboard
A:2 B:2 C:2 X:9 Y:9 Z:9
2 2 2 9 9 9
Sum of digits: 33 - Digit sum(s): 6
A..M=0, N..Z=1
A:0 B:0 C:0 X:1 Y:1 Z:1
0 0 0 1 1 1
A..M=1, N..Z=0
A:1 B:1 C:1 X:0 Y:0 Z:0
1 1 1 0 0 0