1: (1 5 7)

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

2: (4 10 6)

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

3: (3 12 7)

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

4: (9 13 11)

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