OUTPUT FOR 91 2

 6 5 4 3 2 1
 7 5 4 1
 9 3 1

OUTPUT FOR 7 2

No solution

OUTPUT FOR 881 3

 8 6 5 3 1

OUTPUT FOR 883 4

No solution

OUTPUT FOR 1045 3

 9 6 4 3 2 1
 8 7 5 4 1

OUTPUT FOR 20195 9

 3 2

OUTPUT FOR 25607 4

No solution

OUTPUT FOR 25607 5

 7 6 4

OUTPUT FOR 37506 4

12 10 8 7 4 2 1