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

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

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

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

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