1: (0 3 17)

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

2: (1 20 8)

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

3: (2 19 5)

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

4: (3 18 14)

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