1: (0 4 11)

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

2: (4 14 18)

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

3: (2 20 17)

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

4: (6 15 13)

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