1: (5 10 12)

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

2: (10 15 20)

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

3: (4 17 6)

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

4: (13 18 16)

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