Right now I am assuming the weight of mid card is +2 so modified RC=20-18x2=-16 and modified TC=-8. My question is if the weight of mid card should be +1 in this case then modified RC=20-18=2 and modified TC=-1. Right now, I am assuming weight is +2. But think again, the weight could be {+2, +2, +1, +1, +1} for 12 v {2, 3, 4, 5, 6}.
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