1: (4 9 13)

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

2: (7 15 11)

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

3: (2 8 6)

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

4: (4 10 17)

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