1: (1 8 11)

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

2: (7 15 9)

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

3: (1 2 12)

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

4: (4 13 10)

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