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

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

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

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

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