1: (0 3 9)

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

2: (2 19 4)

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

3: (1 20 14)

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

4: (3 18 5)

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