1: (4 11 13)

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

2: (6 14 12)

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

3: (4 11 13)

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

4: (2 7 5)

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