1: (0 1 3)

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

2: (6 9 18)

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

3: (5 12 8)

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

4: (11 21 13)

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