1: (0 2 16)

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

2: (4 16 19)

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

3: (2 18 12)

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

4: (10 17 15)

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