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

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

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

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

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