1: (0 3 20)

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

2: (1 21 7)

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

3: (2 9 4)

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

4: (0 3 20)

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