1: (0 7 13)

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

2: (1 20 9)

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

3: (6 10 8)

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

4: (2 7 14)

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