1: (0 2 15)

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

2: (1 21 4)

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

3: (2 20 13)

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

4: (9 17 14)

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