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

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

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

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

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