1: (0 4 8)

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

2: (4 9 18)

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

3: (2 21 15)

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

4: (14 19 17)

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