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

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

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

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

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