1: (1 8 10)

(0 20 2)(1 7 5 10 3)(4 18 16 13 11)(6 15 14 12 9)(8)(17 21 19)

2: (6 15 9)

(0 20 2)(1 7 5 10 3)(4 18 16 13 11)(6)(8)(9 14 12)(15)(17 21 19)

3: (4 18 11)

(0 20 2)(1 7 5 10 3)(4)(6)(8)(9 14 12)(11 16 13)(15)(17 21 19)(18)

4: (1 7 5)

(0 20 2)(1 10 3)(4)(5)(6)(7)(8)(9 14 12)(11 16 13)(15)(17 21 19)(18)