1: (3 8 19)

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

2: (0 9 7)

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

3: (3 8 19)

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

4: (1 20 4)

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