1: (0 2 15)

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

2: (1 20 9)

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

3: (0 2 15)

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

4: (4 21 18)

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