1: (0 5 6)

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

2: (5 7 15)

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

3: (3 16 9)

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

4: (2 8 4)

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