1: (3 5 16)

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

2: (1 8 4)

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

3: (5 18 10)

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

4: (14 19 17)

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