1: (4 6 12)

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

2: (3 10 5)

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

3: (9 16 11)

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

4: (7 12 13)

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