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

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

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

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

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