1: (6 8 12)

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

2: (4 10 12)

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

3: (1 7 5)

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

4: (9 15 11)

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