1: (3 8 18)

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

2: (1 10 6)

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

3: (0 5 2)

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

4: (7 15 8)

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