1: (3 6 7)

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

2: (7 18 20)

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

3: (1 19 17)

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

4: (6 20 8)

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