1: (0 7 15)

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

2: (4 17 13)

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

3: (3 8 5)

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

4: (12 19 16)

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