1: (6 8 16)

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

2: (4 9 7)

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

3: (1 10 8)

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

4: (0 5 2)

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