1: (0 3 6)

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

2: (1 19 3)

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

3: (5 20 7)

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

4: (2 9 4)

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