1: (0 2 18)

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

2: (1 19 6)

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

3: (4 18 20)

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

4: (3 8 5)

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