1: (5 10 13)

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

2: (2 11 7)

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

3: (1 6 4)

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

4: (10 14 12)

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