1: (0 2 3)

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

2: (2 6 20)

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

3: (4 21 8)

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

4: (5 9 7)

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