1: (2 6 11)

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

2: (4 20 7)

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

3: (2 6 11)

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

4: (1 15 3)

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