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

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

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

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

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