1: (0 1 18)

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

2: (6 18 21)

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

3: (4 19 16)

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

4: (1 20 18)

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