1: (3 5 11)

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

2: (1 6 4)

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

3: (5 13 7)

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

4: (8 14 12)

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