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

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

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

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

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