1: (1 6 16)

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

2: (0 14 2)

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

3: (13 17 15)

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

4: (1 20 3)

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