1: (0 2 16)

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

2: (1 20 4)

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

3: (2 18 14)

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

4: (13 17 15)

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