1: (0 5 18)

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

2: (1 20 13)

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

3: (5 19 15)

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

4: (12 16 14)

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