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

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

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

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

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