1: (2 6 10)

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

2: (4 20 8)

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

3: (7 11 9)

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

4: (2 15 5)

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