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

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

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

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

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