1: (1 3 16)

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

2: (0 4 2)

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

3: (3 18 7)

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

4: (15 19 17)

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