1: (0 1 3)

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

2: (3 7 15)

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

3: (2 12 6)

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

4: (9 16 14)

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