1: (4 9 16)

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

2: (3 15 6)

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

3: (5 12 7)

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

4: (11 16 13)

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