I'm a B.S. player, beginning to count, usually with Red 7, which inspires my question: Is it possible to do a sort of half-baked UBZII count by counting only half the 2, 7, and A (the '1' cards) but all the 3, 4, 5, 6, and 10 (the '2' cards). Obviously, the IRC and indexes are all divided by...