1: (0 7 10)

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

2: (6 17 8)

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

3: (0 7 10)

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

4: (1 20 9)

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