1: (6 8 13)

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

2: (4 9 7)

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

3: (8 19 10)

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

4: (11 20 18)

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