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

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

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

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

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