1: (2 7 16)

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

2: (1 7 4)

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

3: (5 17 15)

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

4: (0 16 4)

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