1: (1 4 16)

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

2: (0 14 2)

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

3: (1 4 16)

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

4: (13 18 15)

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