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

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

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

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

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