1: (0 1 4)

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

2: (4 7 20)

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

3: (2 11 5)

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

4: (6 21 8)

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