| -5   2
|         | = ( 21 )
| -8   -1

| -9   8
|         | = (   )
| 8   7

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

| 2   9
|         | = (   )
| 8   5

| -8   -3
|         | = (   )
| 4   6

| -5   9
|         | = (   )
| -9   0

| -4   2
|         | = (   )
| 6   0

 +[         ]

| 5   -8
|         | = ( 18 )
| 6   -6

| -5   -2
|         | = (   )
| 8   -4

| -8   4
|         | = (   )
| 4   6

| -6   -5
|         | = (   )
| 5   7

| 3   5
|         | = (   )
| 5   2

| -2   2
|         | = (   )
| 0   2

| -6   8
|         | = (   )
| -2   6

 +[         ]

| -3   -2
|         | = ( 18 )
| 3   -4

| -8   -4
|         | = (   )
| 6   -2

| 1   1
|         | = (   )
| 9   -4

| 2   -1
|         | = (   )
| 1   -5

| 5   8
|         | = (   )
| 4   9

| -7   2
|         | = (   )
| -6   -2

| 4   4
|         | = (   )
| 7   3

 +[         ]

| -1   -5
|         | = ( -36 )
| -9   -9

| 8   9
|         | = (   )
| 7   1

| -9   -2
|         | = (   )
| 6   4

| 7   6
|         | = (   )
| 7   6

| 2   -2
|         | = (   )
| 7   0

| 5   6
|         | = (   )
| -2   -4

| -6   -1
|         | = (   )
| -9   -6

 +[         ]

  ++[[            ]]