portforwarding - Forward outgoing ssh connection port

Question

Here is my use case:
We have a list of applications running in containers and the ssh ports of each container is randomly assigned. My test script uses a single port value (22 by default) to access all containers (more than obvious it is not gonna work). I am thinking of a workaround that maintain a port mapping table, so that the script can always ssh to remote host with port 22, while with some script/software the connection is forwarded to the real port mapping table. My question is how can I do this forwarding easily?
Naturally I was thinking of using ssh tunnelling, however I can't find a good example of my use case. Most of the usage of tunnelling is about walking around the firewall.
local laptop--> host1:22 -> forwarding to host1:123
???|-------> host2:22 -> forwarding to host2:234
Appreciate if anyone can shed some light on this or show me some existing question which is equivalent but I was not aware of.

Answer 1

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