1: (1 7 9)

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

2: (6 11 8)

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

3: (5 17 9)

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

4: (10 18 16)

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