1: (5 10 19)

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

2: (1 18 7)

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

3: (3 19 6)

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

4: (0 12 2)

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