1: (5 10 20)

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

2: (4 14 6)

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

3: (5 10 20)

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

4: (9 15 13)

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