1: (4 7 15)

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

2: (2 8 6)

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

3: (0 5 3)

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

4: (7 17 9)

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