1: (1 3 14)

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

2: (0 7 2)

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

3: (1 5 18)

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

4: (4 8 6)

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