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