1: (4 7 13)

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

2: (3 10 5)

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

3: (6 20 8)

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

4: (7 14 9)

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