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

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

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

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

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