1: (0 6 8)

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

2: (5 10 7)

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

3: (4 18 8)

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

4: (3 19 17)

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