1: (1 4 12)

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

2: (3 20 5)

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

3: (0 16 2)

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

4: (4 13 6)

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