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

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

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

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

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