1: (5 7 11)

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

2: (7 15 19)

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

3: (4 16 14)

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

4: (6 12 9)

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