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

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

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

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

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