1: (0 6 16)

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

2: (3 20 11)

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

3: (2 8 4)

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

4: (7 16 10)

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