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

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

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

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

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