1: (0 1 3)

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

2: (8 10 15)

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

3: (9 17 13)

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

4: (14 18 16)

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