NOTA	simple cnot ( sigx(1)^n(0) )
|   X---@   
NOTA	controlled sigy ( sigy(1)^n(0) )
|   Y---@   
NOTA	controlled Y,Z rotation ( rot(1)^n(0) with radx = 0 )
|   R---@   
NOTA	controlled rotation ( rot(1)^n(0) )
|   R---@   
NOTA	2-controlled not ( sigx(2)^(nbar(1)n(0)) )
X---O---@   
NOTA	swap of 0 and 1
|   <--->   
NOTA	swap of 1 and 2 controlled by 0
<--->---@