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

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

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

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

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