1: (2 5 8)

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

2: (7 8 12)

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

3: (1 9 3)

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

4: (4 20 6)

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