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

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

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

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

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