1: (0 1 12)

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

2: (4 12 20)

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

3: (3 18 8)

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

4: (1 19 12)

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