1: (0 2 10)

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

2: (4 10 20)

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

3: (3 15 5)

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

4: (2 18 10)

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