1: (0 3 16)

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

2: (1 18 14)

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

3: (2 20 4)

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

4: (3 17 5)

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