1: (4 8 16)

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

2: (1 9 7)

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

3: (2 20 5)

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

4: (8 17 10)

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