Interview Problem

[kpderoshAptiv]

Problem

Given a grid of numbers X

1231802461010273
1023971023710461
1481027310236012
1023917204671230

Test to check if a subgrid pattern Y exists as a subgrid in X.

12318024
10239710

constraints

1 < X.width <= 100
1 < X.height <= 100

1 < Y.width <= 100
1 < Y.height <= 100

Output

Output a true or false if Y exists as a subgrid to X. Throw Exception where acceptable.