1: (1 5 18)

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

2: (0 6 4)

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

3: (5 9 16)

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

4: (14 19 17)

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