1: (0 3 9)

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

2: (2 20 4)

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

3: (3 11 5)

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

4: (8 16 10)

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