1: (3 8 17)

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

2: (0 8 5)

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

3: (2 19 4)

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

4: (6 18 16)

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