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

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

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

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

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