1: (4 8 12)

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

2: (4 13 10)

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

3: (6 14 9)

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

4: (2 7 5)

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