1: (0 6 16)

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

2: (5 19 7)

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

3: (6 18 12)

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

4: (11 17 15)

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