1: (1 4 19)

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

2: (0 9 2)

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

3: (1 4 19)

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

4: (3 20 6)

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