Problem Description
Given three strings, find the length of the longest string which is a substring of each of the three input strings. In this problem "substring" has the usual definition. A string X is a substring of a string Y if and only if string X can be created from string Y by deleting zero or more consecutive characters from the start of string Y, and deleting zero or more consecutive characters from the end of string Y.
Input
The first line of the input is the number of test cases (less than 3000). For each case there is three lines each contains a string. The string only contains 'a'-'z' and up to 1000 characters long. There is a blank line before each test case.
Output
For each test case output the answer on a line.
Sample Input
3
aebcd
ebcaddwerd
fdsalebcser
sdafawerrsdfsdfwe
erfasdfafsd
egreetsdwere
aaaaa
aaaaa
aaaaa
Sample Output
3
2
5
