Question $3.$Question $3.$

A triomino can be arranged as one of the followings.

In this question, we are given a checkerboard with a missing cell $($denoted by $"0"),$ and

we are asked to tile it by using triominoes. An example is provided in Figure $1.$

$($a$)$ before tiling

$($b$)$ after tiling

Figure $1.$ An example of tiling a checkerboard with a missing cell

$3($a$)$ Now, we are given the following $88$ checkerboard with a missing cell $("0").$

A triomino can be arranged as one of the followings.

In this question, we are given a checkerboard with a missing cell $($denoted by $"0"),$ and

we are asked to tile it by using triominoes. An example is provided in Figure $1.$

$($a$)$ before tiling

$($b$)$ after tiling

Figure $1.$ An example of tiling a checkerboard with a missing cell

$3($a$)$ Now, we are given the following $88$ checkerboard with a missing cell $("0").$