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

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

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

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

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