1: (0 4 11)

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

2: (2 19 7)

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

3: (3 17 5)

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

4: (11 13 15)

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