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

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

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

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

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