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

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

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

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

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