| |
| PASS "1" becomes "1" |
| PASS "+1" becomes "1" |
| PASS "-1" becomes "-1" |
| PASS "0n + 0" becomes "0" |
| PASS "0n + 1" becomes "1" |
| PASS "0n - 1" becomes "-1" |
| PASS "1n" becomes "n" |
| PASS "1n - 0" becomes "n" |
| PASS "1n + 1" becomes "n+1" |
| PASS "1n - 1" becomes "n-1" |
| PASS "-1n" becomes "-n" |
| PASS "-1n - 0" becomes "-n" |
| PASS "-1n + 1" becomes "-n+1" |
| PASS "-1n - 1" becomes "-n-1" |
| PASS "+n+1" becomes "n+1" |
| PASS "-n-1" becomes "-n-1" |
| PASS "n + 0" becomes "n" |
| PASS "n - 0" becomes "n" |
| PASS "2n + 2" becomes "2n+2" |
| PASS "-2n - 2" becomes "-2n-2" |
| |
