1: (6 8 13)

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

2: (4 9 7)

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

3: (2 10 8)

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

4: (1 11 3)

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