1: (0 6 17)

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

2: (1 20 11)

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

3: (5 14 8)

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

4: (2 6 19)

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