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

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

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

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

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