1: (0 1 17)

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

2: (4 17 21)

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

3: (2 19 6)

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

4: (3 8 5)

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