now all 1, pairwise 2 and arbitrary n tree swaps added for tree nodes
now all 1, pairwise 2 and arbitrary n tree swaps added for tree nodes

shjalayeri/radamsa,richinseattle/radamsa,richinseattle/radamsa,0xr0ot/radamsa,ouspg/radamsa,zhuyue1314/radamsa,pedrib/radamsa