1: (1 5 16)

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

2: (0 10 3)

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

3: (4 17 15)

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

4: (2 12 16)

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