1: (6 8 18)

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

2: (5 9 7)

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

3: (8 20 10)

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

4: (4 19 15)

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