1: (2 5 15)

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

2: (3 16 6)

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

3: (2 19 4)

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

4: (8 20 18)

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