1: (7 10 17)

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

2: (3 15 9)

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

3: (5 17 8)

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

4: (1 6 4)

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