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

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

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

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

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