1: (0 1 2)

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

2: (1 5 15)

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

3: (4 19 12)

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

4: (3 20 18)

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