1: (1 5 15)

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

2: (0 11 2)

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

3: (1 5 15)

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

4: (4 14 6)

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