1: (2 6 8)

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

2: (6 10 14)

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

3: (9 20 11)

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

4: (1 19 4)

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