1: (1 8 15)

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

2: (6 21 13)

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

3: (4 9 7)

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

4: (8 16 10)

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