1: (0 3 16)

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

2: (2 19 4)

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

3: (3 18 12)

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

4: (10 17 15)

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