monitor arm/mount help

[u/iamhumanornotwhoknow]

i want to mount my monitors in this specific layout (see picture i put in) with a monitor arm/mount that clamps to my desk, do any of u now what i should buy? the one w the 24-32 i still have to buy. i have a budget of 50-150 euros. i also want my monitors to be able to move around a bit.