1: (1 5 7)

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

2: (4 9 6)

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

3: (3 18 7)

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

4: (0 12 2)

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