1: (1 5 7)

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

2: (4 10 6)

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

3: (1 12 8)

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

4: (9 18 11)

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