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

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

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

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

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