1: (2 10 16)

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

2: (4 20 11)

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

3: (10 18 14)

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

4: (13 17 15)

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