1: (0 6 12)

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

2: (5 14 7)

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

3: (11 15 13)

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

4: (4 8 12)

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