1: (4 11 15)

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

2: (10 17 13)

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

3: (4 11 15)

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

4: (14 20 16)

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