You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: 1624E_test.go
    path of file: ./repos/codeforces-go/main/1600-1699
    
    the code of the file until where you have to start completion: package main

import (
	"github.com/EndlessCheng/codeforces-go/main/testutil"
	"testing"
)

// https://codeforces.com/problemset/problem/1624/E
// https://codeforces.com/problemset/status/1624/probl
    
func TestCF1624E(t *testing.T) {
	// just copy from website
	rawText := `
inputCopy
5

4 8
12340219
20215601
56782022
12300678
12345678

2 3
134
126
123

1 4
1210
1221

4 3
251
064
859
957
054

4 7
7968636
9486033
4614224
5454197
9482268
outputCopy
3
1 4 1
5 6 2
3 4 3
-1
2
1 2 1
2 3 1
-1
3
1 3 2
5 6 3
3 4 1`
	testutil.AssertEqualCase(t, rawText, 0, CF1624E)
}