1: (1 4 16)

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

2: (0 5 3)

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

3: (4 18 6)

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

4: (10 19 17)

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