1: (0 1 4)

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

2: (4 7 10)

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

3: (6 12 8)

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

4: (1 10 5)

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