1: (1 9 15)

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

2: (7 15 13)

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

3: (5 11 8)

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

4: (4 12 10)

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