1: (1 4 12)

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

2: (3 20 5)

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

3: (0 16 2)

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

4: (4 13 6)

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