1: (0 2 3)

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

2: (2 8 18)

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

3: (4 20 12)

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

4: (10 19 17)

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