1: (5 10 11)

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

2: (2 5 9)

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

3: (1 7 3)

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

4: (4 15 8)

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