1: (5 10 19)

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

2: (8 20 18)

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

3: (6 11 9)

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

4: (4 19 14)

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