1: (8 10 16)

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

2: (4 11 9)

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

3: (6 17 15)

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

4: (7 16 14)

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