1: (6 9 13)

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

2: (2 9 7)

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

3: (5 20 11)

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

4: (1 19 3)

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