1: (5 9 12)

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

2: (7 13 11)

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

3: (4 8 6)

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

4: (0 5 10)

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