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

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

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

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

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