1: (4 6 13)

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

2: (6 16 18)

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

3: (15 20 17)

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

4: (3 18 13)

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