1: (0 1 6)

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

2: (4 6 21)

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

3: (2 14 5)

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

4: (1 20 6)

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