1: (0 12 16)

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

2: (1 20 14)

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

3: (11 17 13)

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

4: (10 19 16)

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