1: (0 1 5)

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

2: (3 5 19)

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

3: (2 7 4)

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

4: (1 8 5)

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