1: (0 1 8)

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

2: (4 8 21)

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

3: (2 14 5)

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

4: (1 20 8)

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