1: (6 8 15)

(0 19 2)(1 12 11)(3 9 5)(4 16 14)(6 8 15)(7 17 10)(13 20 18)

2: (7 17 10)

(0 19 2)(1 12 11)(3 9 5)(4 16 14)(6 8 15)(7)(10)(13 20 18)(17)

3: (6 8 15)

(0 19 2)(1 12 11)(3 9 5)(4 16 14)(6)(7)(8)(10)(13 20 18)(15)(17)

4: (4 16 14)

(0 19 2)(1 12 11)(3 9 5)(4)(6)(7)(8)(10)(13 20 18)(14)(15)(16)(17)