1: (1 4 7)

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

2: (2 12 5)

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

3: (6 20 9)

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

4: (1 10 8)

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