1: (0 1 6)

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

2: (3 6 19)

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

3: (5 20 7)

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

4: (2 9 4)

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