1: (0 3 7)

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

2: (5 7 20)

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

3: (4 9 6)

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

4: (3 16 7)

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