1: (1 6 9)

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

2: (5 10 8)

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

3: (3 11 9)

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

4: (2 12 4)

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