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

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

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

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

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