1: (0 1 3)

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

2: (3 6 11)

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

3: (5 17 7)

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

4: (1 11 4)

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