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

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

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

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

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