1: (2 7 21)

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

2: (0 20 4)

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

3: (3 12 6)

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

4: (2 19 5)

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