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

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

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

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

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