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

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

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

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

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