C11111333133313232233133313331333131133132233133313331311212111121   >>    C1111133313331323223313331333133313113313223313331333131121211112   <<    C11111333133313232233133313331333131133132233133313331311212111123   >>      C11111333133313232233133313331333131133132233133313331311212111122   >>