Markov chain network transition plot

Hello!
I have created a Markov chain model and I would like to plot a network between discrete states. I'm using the package

library(MmgraphR)

I have already created a transition matrix network plot as well as heatmap. Despite being happy with the heatmap I'm not with the network plot because having 13 states results pretty messy with arrows and probabilities

this is my network

plot(trans_matrix1, edge.arrow.size = 0.35,cspal = "heat")

I have tried also

trmatplot(trans_matrix, seed = 2, pfilter = "smax")

but I don't particularly like this visualization.

Can anyone help to show somehting better than this?
I have tried exporting with different formats, applying the highest height and width and despite PDF format helps a bit it's still very messy.

thank you!

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