1: (0 7 10)

(0 7 10 3 1)(2 6 4)(5 20 15 13 8)(9 14 12)(11 18 16)(17 21 19)

2: (5 20 8)

(0 7 10 3 1)(2 6 4)(5)(8 15 13)(9 14 12)(11 18 16)(17 21 19)(20)

3: (3 7 10)

(0 7 1)(2 6 4)(3)(5)(8 15 13)(9 14 12)(10)(11 18 16)(17 21 19)(20)

4: (2 6 4)

(0 7 1)(2)(3)(4)(5)(6)(8 15 13)(9 14 12)(10)(11 18 16)(17 21 19)(20)