1: (0 8 14)

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

2: (1 20 11)

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

3: (7 12 9)

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

4: (2 8 19)

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