Which of the following are possible?

There is $1$ regular line, $1$ express line, and $1$ self$-$serve line, and the line at index $3$ is self$-$serve.

There are $5$ regular lines, $1$ express line, and $3$ self$-$serve lines, and at index $6$ there is an express line.

There are $2$ regular lines, $2$ express lines, and $2$ self$-$serve lines, and at index $2$ there is an express line.

There are no regular lines, $1$ express line, and $4$ self$-$serve lines, and at index. $1$ there is an express line.