1: (7 9 16)

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

2: (2 9 19)

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

3: (1 18 4)

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

4: (0 8 6)

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