1: (2 5 10)

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

2: (4 18 6)

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

3: (1 8 3)

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

4: (2 7 19)

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