1: (2 5 8)

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

2: (4 12 6)

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

3: (2 5 8)

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

4: (3 10 7)

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