1: (1 7 10)

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

2: (6 11 8)

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

3: (4 12 10)

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

4: (2 16 5)

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