1: (0 2 17)

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

2: (1 20 4)

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

3: (7 21 18)

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

4: (2 19 5)

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