1: (0 7 12)

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

2: (1 21 10)

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

3: (6 11 8)

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

4: (4 7 20)

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