1: (5 6 9)

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

2: (6 10 13)

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

3: (8 14 12)

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

4: (2 11 7)

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