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

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

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

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

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