1: (7 12 20)

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

2: (6 15 8)

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

3: (7 12 20)

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

4: (10 19 13)

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