1: (6 7 8)

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

2: (1 7 19)

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

3: (2 20 18)

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

4: (1 8 4)

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