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

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

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

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

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