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

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

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

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

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