1: (0 1 3)

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

2: (1 7 13)

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

3: (2 20 10)

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

4: (9 14 11)

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