1: (0 2 12)

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

2: (1 13 6)

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

3: (4 12 20)

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

4: (3 10 5)

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