1: (1 2 8)

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

2: (1 12 3)

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

3: (0 10 7)

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

4: (2 12 5)

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