code: def wires_ring(wires):
      """Wire sequence for the ring pattern"""
  
      if len(wires) in [0, 1]:
          return []
  
      if len(wires) == 2:
          # deviation from the rule: for 2 wires ring is set equal to chain,
          # to avoid duplication of single gate
          return [wires.subset([0, 1])]
  
      sequence = [
          wires.subset([i, i + 1], periodic_boundary=True)
          for i in range(len(wires))
      ]
      return sequence
  
imports: import pennylane
  from pennylane.wires import Wires
label_desc: Use image node_id 1 for calling a global function with example usage: wires_ring(wires) and returns: sequence, list, list