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

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

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

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

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