1: (3 5 8)

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

2: (8 10 12)

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

3: (9 13 11)

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

4: (1 6 4)

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