1: (0 3 6)

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

2: (3 14 17)

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

3: (1 20 15)

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

4: (14 18 16)

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