1: (1 5 16)

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

2: (0 14 2)

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

3: (8 17 15)

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

4: (1 20 3)

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