1: (2 8 11)

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

2: (1 9 3)

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

3: (6 12 10)

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

4: (2 15 7)

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