1: (0 11 16)

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

2: (1 20 13)

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

3: (9 14 12)

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

4: (6 11 18)

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