1: (1 7 19)

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

2: (0 12 2)

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

3: (1 7 19)

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

4: (6 20 17)

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