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

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

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

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

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