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

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

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

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

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