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

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

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

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

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