1: (0 5 7)

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

2: (4 8 6)

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

3: (2 9 7)

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

4: (3 9 21)

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