1: (3 5 10)

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

2: (6 10 16)

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

3: (4 20 7)

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

4: (2 11 9)

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