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

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

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

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

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