1: (0 4 13)

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

2: (1 19 7)

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

3: (8 20 13)

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

4: (3 17 5)

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