| 9   4
|         | = ( 2 )
| 4   2

| -5   -7
|         | = (   )
| 3   -6

| 8   1
|         | = (   )
| 3   8

| 6   -6
|         | = (   )
| 5   7

| 7   -2
|         | = (   )
| 0   2

| -2   -5
|         | = (   )
| 4   -6

| 1   3
|         | = (   )
| -6   -9

 +[         ]

| 0   -4
|         | = ( -28 )
| -7   -3

| 9   1
|         | = (   )
| -2   -9

| 5   -9
|         | = (   )
| 6   1

| 8   -2
|         | = (   )
| -5   0

| -3   -9
|         | = (   )
| 8   -5

| -7   3
|         | = (   )
| -2   -9

| 8   -8
|         | = (   )
| 9   -7

 +[         ]

| -8   0
|         | = ( -24 )
| -5   3

| 1   -8
|         | = (   )
| -8   6

| 1   -3
|         | = (   )
| 4   5

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

| -5   3
|         | = (   )
| -6   7

| 3   -5
|         | = (   )
| 7   0

| -6   0
|         | = (   )
| -9   0

 +[         ]

| 9   8
|         | = ( -16 )
| 2   0

| 7   7
|         | = (   )
| -2   6

| 0   -9
|         | = (   )
| -1   -8

| 6   2
|         | = (   )
| 1   -1

| -7   -8
|         | = (   )
| 1   7

| 5   -1
|         | = (   )
| 1   0

| 3   -7
|         | = (   )
| -1   -7

 +[         ]

  ++[[            ]]