1: (6 8 12)

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

2: (5 10 7)

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

3: (1 8 14)

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

4: (4 15 13)

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