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

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

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

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

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