1: (1 7 11)

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

2: (0 10 2)

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

3: (1 7 11)

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

4: (6 12 9)

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