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

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

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

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

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