1: (0 2 17)

(0)(1 20 11 7 3)(2 19 17 5 4)(6 21 18 16 14)(8 12 9)(10 15 13)

2: (1 20 3)

(0)(1)(2 19 17 5 4)(3 11 7)(6 21 18 16 14)(8 12 9)(10 15 13)(20)

3: (2 19 4)

(0)(1)(2)(3 11 7)(4 17 5)(6 21 18 16 14)(8 12 9)(10 15 13)(19)(20)

4: (16 21 18)

(0)(1)(2)(3 11 7)(4 17 5)(6 21 14)(8 12 9)(10 15 13)(16)(18)(19)(20)