1: (0 6 9)

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

2: (5 10 7)

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

3: (4 13 9)

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

4: (1 20 12)

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