1: (1 7 15)

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

2: (3 16 13)

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

3: (2 8 6)

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

4: (12 17 15)

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