1: (0 1 2)

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

2: (2 7 15)

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

3: (5 18 8)

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

4: (1 15 4)

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