1: (0 1 11)

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

2: (4 16 20)

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

3: (3 18 13)

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

4: (1 19 16)

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