1: (0 2 9)

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

2: (4 9 20)

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

3: (3 10 5)

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

4: (2 15 9)

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