1: (6 9 20)

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

2: (4 12 8)

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

3: (6 9 20)

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

4: (3 7 5)

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