1: (0 1 7)

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

2: (3 7 21)

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

3: (2 9 4)

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

4: (1 20 7)

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