1: (6 13 16)

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

2: (4 15 10)

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

3: (3 9 5)

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

4: (8 13 17)

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