1: (0 2 16)

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

2: (1 21 3)

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

3: (2 20 6)

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

4: (3 17 15)

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