1: (4 11 16)

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

2: (6 17 14)

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

3: (8 15 13)

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

4: (7 11 9)

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