1: (1 7 20)

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

2: (0 18 2)

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

3: (1 11 3)

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

4: (5 12 8)

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