1: (0 8 11)

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

2: (7 14 9)

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

3: (6 18 11)

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

4: (1 20 13)

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