this is some algorithm, but the ratio of the specific procedures and user-friendliness.

D1R1
....\D1R1.CFG
....\D1R1.DOF
....\D1R1.DPR
....\D1R1.EXE
....\D1R1.RES
....\UNIT1.DCU
....\UNIT1.DFM
....\UNIT1.PAS
....\UNIT2.DCU
....\UNIT2.PAS
D1R10
.....\D1R10.CFG
.....\D1R10.DOF
.....\D1R10.DPR
.....\D1R10.EXE
.....\D1R10.RES
.....\UNIT1.DCU
.....\UNIT1.DFM
.....\UNIT1.PAS
.....\UNIT2.DCU
.....\UNIT2.PAS
D1R11
.....\D1R11.CFG
.....\D1R11.DOF
.....\D1R11.DPR
.....\D1R11.EXE
.....\D1R11.RES
.....\UNIT1.DCU
.....\UNIT1.DFM
.....\UNIT1.PAS
.....\UNIT2.DCU
.....\UNIT2.PAS
D1R12
.....\D1R12.CFG
.....\D1R12.DOF
.....\D1R12.DPR
.....\D1R12.EXE
.....\D1R12.RES
.....\UNIT1.DCU
.....\UNIT1.DFM
.....\UNIT1.PAS
.....\UNIT2.DCU
.....\UNIT2.PAS
D1R2
....\D1R2.CFG
....\D1R2.DOF
....\D1R2.DPR
....\D1R2.EXE
....\D1R2.RES
....\UNIT1.DCU
....\UNIT1.DFM
....\UNIT1.PAS
....\UNIT2.DCU
....\UNIT2.PAS
D1R3
....\D1R3.CFG
....\D1R3.DOF
....\D1R3.DPR
....\D1R3.EXE
....\D1R3.RES
....\UNIT1.DCU
....\UNIT1.DFM
....\UNIT1.PAS
....\UNIT2.DCU
....\UNIT2.PAS
D1R4
....\D1R4.CFG
....\D1R4.DOF
....\D1R4.DPR
....\D1R4.EXE
....\D1R4.RES
....\UNIT1.DCU
....\UNIT1.DFM
....\UNIT1.PAS
....\UNIT2.DCU
....\UNIT2.PAS
D1R5
....\D1R5.CFG
....\D1R5.DOF
....\D1R5.DPR
....\D1R5.EXE
....\D1R5.RES
....\UNIT1.DCU
....\UNIT1.DFM
....\UNIT1.PAS
....\UNIT2.DCU
....\UNIT2.PAS
D1R6
....\D1R6.CFG
....\D1R6.DOF
....\D1R6.DPR
....\D1R6.EXE
....\D1R6.RES
....\UNIT1.DCU
....\UNIT1.DFM
....\UNIT1.PAS
....\UNIT2.DCU
....\UNIT2.PAS
D1R7

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