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

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

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

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

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