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

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

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

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

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