1: (1 5 9)

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

2: (4 20 7)

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

3: (6 12 8)

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

4: (1 17 10)

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