1: (4 7 16)

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

2: (4 11 13)

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

3: (1 8 6)

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

4: (3 10 5)

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