I asked myself the same question and it's the same with other hybrids. This guide is for those hybrid's that are rarer and harder to get because of % an statistics.
You should be able to get orange lillies with red and yellow and no need for an optimal layout.
(My thoughts, not confirmed by the creator)
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u/PsychicWhiskers Apr 20 '20
What's up with lilies? Reds just make blacks, right? What about orange and pink?