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

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

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

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

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