1: (0 3 11)

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

2: (2 17 4)

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

3: (8 20 11)

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

4: (10 18 12)

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