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

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

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

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

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