1: (1 8 12)

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

2: (0 11 3)

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

3: (1 8 12)

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

4: (7 13 9)

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