Backward digit: Practice Level 5

You will need to remember 6 numbers and swap them!

© 2010 Terezinha Nunes

1. 5
2. 8
3. 9
4. 7
1. 6
2. 5
3. 3
4. 9
1. 7
2. 3
3. 5
4. 8
1. 3
2. 5
3. 7
4. 4
1. 1
2. 3
3. 5
4. 6
1. 9
2. 6
3. 2
4. 7
1. 913765
2. 657831
3. 913567
4. 567898
1. 1
2. 8
3. 6
4. 4
1. 3
2. 5
3. 6
4. 1
1. 8
2. 5
3. 2
4. 7
1. 9
2. 3
3. 5
4. 2
1. 6
2. 3
3. 5
4. 7
1. 4
2. 3
3. 5
4. 7
1. 469831
2. 469138
3. 138569
4. 896472
1. 8
2. 7
3. 4
4. 6
1. 2
2. 8
3. 6
4. 7
1. 9
2. 7
3. 5
4. 1
1. 7
2. 5
3. 6
4. 2
1. 3
2. 5
3. 9
4. 1
1. 1
2. 5
3. 8
4. 7
1. 137928
2. 892134
3. 137892
4. 928731