1: (3 6 12)

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

2: (4 18 8)

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

3: (1 7 5)

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

4: (2 12 11)

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