1: (4 7 16)

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

2: (3 10 5)

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

3: (1 8 6)

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

4: (7 19 9)

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