C1111133313331323223313331333133313113313231323133313113313231111121   >>    C111113331333132322331333133313331311331323132313331311331323111112   <<    C1111133313331323223313331333133313113313231323133313113313231111123   >>      C1111133313331323223313331333133313113313231323133313113313231111122   >>