1: (5 10 13)

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

2: (4 11 9)

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

3: (10 15 12)

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

4: (7 16 14)

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