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