1: (0 2 6)

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

2: (1 18 3)

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

3: (2 7 4)

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

4: (6 21 13)

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