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

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

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

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

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