1: (1 5 15)

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

2: (2 20 9)

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

3: (1 5 15)

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

4: (4 14 6)

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