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

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

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

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

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