1: (3 4 6)

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

2: (6 9 12)

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

3: (8 15 10)

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

4: (4 12 7)

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