1: (0 2 16)

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

2: (1 19 6)

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

3: (4 16 21)

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

4: (3 7 5)

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