1: (1 8 15)

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

2: (6 17 9)

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

3: (14 18 16)

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

4: (1 13 7)

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