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

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

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

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

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