1: (1 5 15)

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

2: (4 16 14)

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

3: (1 5 15)

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

4: (0 6 3)

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