It will be for political parties to determine how to approach this matter taking into account their specific circumstances, including their assessment of the more favourable positions on their lists.
Mater i bleidiau gwleidyddol fydd penderfynu sut mae ymdrin â’r mater hwn gan ystyried eu hamgylchiadau penodol, gan gynnwys eu hasesiad o’r safleoedd mwy ffafriol ar eu rhestrau.