1: (1 8 15)

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

2: (4 16 14)

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

3: (3 9 7)

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

4: (6 17 15)

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