1: (1 8 11)

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

2: (5 13 10)

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

3: (3 8 12)

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

4: (7 16 9)

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