1: (1 5 8)

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

2: (4 10 6)

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

3: (7 12 9)

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

4: (3 14 8)

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