1: (0 1 3)

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

2: (3 8 20)

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

3: (1 10 6)

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

4: (2 7 4)

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