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

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

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

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

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