1: (2 7 11)

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

2: (6 11 8)

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

3: (1 9 4)

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

4: (2 8 5)

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