C11111333133313232233133313331333131133131211111333132323323131   >>    C1111133313331323223313331333133313113313121111133313232332313   <<    C11111333133313232233133313331333131133131211111333132323323133   >>      C11111333133313232233133313331333131133131211111333132323323132   >>