1: (0 6 13)

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

2: (2 20 9)

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

3: (5 10 7)

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

4: (3 6 19)

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