1: (5 8 12)

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

2: (9 12 18)

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

3: (4 16 6)

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

4: (14 20 17)

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