1: (4 6 13)

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

2: (5 17 7)

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

3: (4 6 13)

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

4: (11 18 14)

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