1: (1 13 19)

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

2: (3 20 17)

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

3: (1 13 19)

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

4: (0 7 2)

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