1: (5 7 13)

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

2: (6 20 8)

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

3: (1 13 11)

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

4: (0 10 2)

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