1: (0 3 7)

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

2: (5 7 15)

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

3: (4 9 6)

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

4: (3 14 7)

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