1: (0 1 5)

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

2: (2 5 19)

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

3: (4 21 6)

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

4: (1 20 9)

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