C1111133313331323223313331333133313331323131211113312111113112113231   >>    C111113331333132322331333133313331333132313121111331211111311211323   <<    C1111133313331323223313331333133313331323131211113312111113112113233   >>      C1111133313331323223313331333133313331323131211113312111113112113232   >>