4 | ++/+ | −/(+) | −/+ | −/(+) | (+)/− | −/− |
5 | +++/+++ | −/− | ++/++ | −/− | +/− | ++/(+) |
6 | ++/+++ | −/− | +/+ | −/+ | −/− | (+)/+ |
7 | +/+++ | −/− | (+)/+ | −/− | −/− | −/++ |