1: (4 13 16)

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

2: (2 15 5)

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

3: (3 16 19)

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

4: (6 20 18)

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