1: (1 4 12)

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

2: (3 18 5)

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

3: (0 16 2)

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

4: (4 13 6)

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