1: (0 4 5)

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

2: (5 9 20)

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

3: (3 16 6)

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

4: (8 17 15)

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