1: (1 6 9)

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

2: (4 10 8)

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

3: (1 7 5)

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

4: (3 14 9)

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