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

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

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

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

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