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

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

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

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

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