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

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

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

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

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