4 ms·To clarify, those are 9 + 6 and 9 + 7; the forms to be avoided would be 10 + 5 and 10 + 6.by madcaptenor 3y agoTo clarify, those are 9 + 6 and 9 + 7; the forms to be avoided would be 10 + 5 and 10 + 6.