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

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

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

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

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