(0 21 2)(1 6 4)(3 19 17 14 12)(5 20 11 9 7)(8 13 10)(15 18 16)
ALLOWS (11/8)-SEQUENCE
1: (1 6 13)

(0 21 2)(1 10 8 13 4)(3 19 17 14 12)(5 20 11 9 7)(6)(15 18 16)
2: (5 20 11)

(0 21 2)(1 10 8 13 4)(3 19 17 14 12)(5 9 7)(6)(11)(15 18 16)(20)
3: (3 19 12)

(0 21 2)(1 10 8 13 4)(3)(5 9 7)(6)(11)(12 17 14)(15 18 16)(19)(20)
4: (4 8 13)

(0 21 2)(1 10 8)(3)(4)(5 9 7)(6)(11)(12 17 14)(13)(15 18 16)(19)(20)