1: (5 7 8)

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

2: (8 16 18)

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

3: (14 20 17)

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

4: (7 18 9)

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