1: (4 8 17)

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

2: (1 17 19)

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

3: (3 20 18)

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

4: (0 7 2)

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