1: (0 1 2)

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

2: (1 4 7)

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

3: (3 11 5)

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

4: (6 12 10)

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