| -9   -4
|         | = ( -27 )
| 0   3

| 7   1
|         | = (   )
| -1   2

| 9   -5
|         | = (   )
| -6   5

| -2   5
|         | = (   )
| -9   9

| 8   -8
|         | = (   )
| -7   -9

| 9   6
|         | = (   )
| -8   5

| -8   -1
|         | = (   )
| 7   5

 +[         ]

| 2   6
|         | = ( 24 )
| -5   -3

| -9   -5
|         | = (   )
| 9   1

| 8   -1
|         | = (   )
| -7   9

| 9   -8
|         | = (   )
| 6   -7

| -1   3
|         | = (   )
| 2   -1

| -6   -3
|         | = (   )
| 9   3

| -9   2
|         | = (   )
| 9   0

 +[         ]

| -7   -7
|         | = ( -77 )
| -9   2

| 2   2
|         | = (   )
| -9   -2

| -8   -9
|         | = (   )
| 5   0

| -6   3
|         | = (   )
| -8   -7

| -4   -4
|         | = (   )
| 6   -5

| 5   5
|         | = (   )
| 7   6

| -6   -5
|         | = (   )
| -1   1

 +[         ]

| -8   -1
|         | = ( -62 )
| 2   8

| -1   -3
|         | = (   )
| -9   4

| 2   0
|         | = (   )
| 1   -7

| -3   -4
|         | = (   )
| 1   -5

| -6   2
|         | = (   )
| -2   0

| -3   -8
|         | = (   )
| 4   8

| 5   3
|         | = (   )
| 0   -3

 +[         ]

  ++[[            ]]