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

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

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

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

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