1: (6 10 20)

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

2: (1 11 9)

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

3: (6 10 20)

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

4: (0 18 2)

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