1: (0 2 17)

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

2: (1 19 6)

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

3: (4 17 21)

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

4: (3 7 5)

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