object(Matrix\Matrix)#9 (3) {
["rows":protected]=>
int(4)
["columns":protected]=>
int(5)
["grid":protected]=>
array(4) {
[0]=>
array(5) {
[0]=>
int(1)
[1]=>
int(3)
[2]=>
int(2)
[3]=>
int(0)
[4]=>
int(0)
}
[1]=>
array(5) {
[0]=>
int(2)
[1]=>
int(3)
[2]=>
int(1)
[3]=>
int(0)
[4]=>
int(0)
}
[2]=>
array(5) {
[0]=>
int(0)
[1]=>
int(0)
[2]=>
int(0)
[3]=>
int(1)
[4]=>
int(6)
}
[3]=>
array(5) {
[0]=>
int(0)
[1]=>
int(0)
[2]=>
int(0)
[3]=>
int(0)
[4]=>
int(1)
}
}
}