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

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

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

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

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