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

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

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

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

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