C11111211113313112113313331333133313231323223313113313231312211311   >>    C1111121111331311211331333133313331323132322331311331323131221131   <<    C11111211113313112113313331333133313231323223313113313231312211313   >>      C11111211113313112113313331333133313231323223313113313231312211312   >>