1: (0 4 5)

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

2: (5 9 20)

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

3: (2 16 7)

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

4: (8 17 15)

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