1: (0 2 16)

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

2: (1 20 6)

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

3: (2 19 14)

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

4: (13 18 15)

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