1: (3 8 11)

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

2: (1 9 7)

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

3: (5 12 10)

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

4: (4 13 11)

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