1: (5 7 12)

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

2: (4 11 6)

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

3: (8 12 14)

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

4: (10 16 13)

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