1: (1 6 12)

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

2: (5 13 10)

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

3: (3 7 12)

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

4: (9 14 11)

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