1: (0 3 7)

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

2: (2 21 4)

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

3: (3 14 5)

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

4: (1 15 10)

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