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

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

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

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

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