1: (5 8 13)

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

2: (4 9 7)

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

3: (8 19 10)

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

4: (6 20 18)

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