1: (1 5 7)

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

2: (4 9 6)

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

3: (3 11 7)

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

4: (8 12 10)

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