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

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

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

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

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