| -557507+276670-211887=-492724 | -135622-177664-86714=-400000 |
| -97950+273140-245190=-70000 | -132462-420000-182371=-734833 |
| -140134+800000-83063=576803 | 824141+164902-980000=9043 |
| 220759+520000-862093=-121334 | 133229-176608-115141=-158520 |
| -797032+448788-431718=-779962 | 722419-804627-540000=-622208 |
| 886714-739318+98661=246057 | 189598-167963+821506=843141 |
| -933649+857834+900000=824185 | -179171-217082-568059=-964312 |
| -310700-581123+291823=-600000 | -780725-611404+403790=-988339 |
| -124272-725000+95272=-754000 | 118117-471950-114160=-467993 |
| 686100-310572+166259=541787 | 215091-730000+43940=-470969 |
| -550000+812973+524276=787249 | 29042+200000-329042=-100000 |
| 198275+679985-278260=600000 | -355133-299088+244221=-410000 |
