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

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

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

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

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