1: (6 8 15)

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

2: (4 9 7)

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

3: (8 20 10)

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

4: (0 19 11)

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