1: (1 6 21)

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

2: (0 20 3)

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

3: (2 7 5)

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

4: (1 19 4)

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