1: (0 2 4)

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

2: (4 17 20)

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

3: (14 21 19)

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

4: (2 20 12)

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