1: (4 12 13)

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

2: (12 14 17)

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

3: (6 18 16)

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

4: (1 7 5)

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