1: (0 1 7)

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

2: (4 7 18)

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

3: (2 14 6)

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

4: (3 8 5)

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