1: (4 15 18)

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

2: (2 17 8)

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

3: (14 20 16)

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

4: (10 15 19)

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