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

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

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

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

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