1: (0 11 17)

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

2: (1 20 15)

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

3: (10 16 12)

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

4: (6 11 19)

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