1: (1 5 7)

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

2: (4 9 6)

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

3: (3 14 7)

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

4: (8 18 10)

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