1: (7 8 16)

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

2: (2 4 8)

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

3: (3 20 5)

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

4: (4 16 6)

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