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

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

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

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

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