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

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

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

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

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