1: (3 6 8)

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

2: (1 7 5)

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

3: (2 16 4)

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

4: (8 11 20)

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