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

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

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

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

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