1: (1 7 20)

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

2: (0 19 3)

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

3: (1 11 6)

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

4: (2 12 4)

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