If the square of the digit in the tens place of a three-digit natural number equals the number formed by writing the digits in the units and hundreds places side by side, then this natural number is called an adjacent number.
For example, 552 and 255 are adjacent numbers.
If $AB1$ and $BC4$ are adjacent numbers, what is the sum $A + B + C$?
A) 21
B) 22
C) 23
D) 24
E) 25