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

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

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

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

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