1: (1 3 8)

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

2: (2 14 4)

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

3: (1 3 8)

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

4: (7 16 9)

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